/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/safe010_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-11 23:49:39,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-11 23:49:39,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-11 23:49:39,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-11 23:49:39,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-11 23:49:39,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-11 23:49:39,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-11 23:49:39,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-11 23:49:39,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-11 23:49:39,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-11 23:49:39,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-11 23:49:39,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-11 23:49:39,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-11 23:49:39,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-11 23:49:39,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-11 23:49:39,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-11 23:49:39,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-11 23:49:39,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-11 23:49:39,451 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-11 23:49:39,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-11 23:49:39,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-11 23:49:39,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-11 23:49:39,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-11 23:49:39,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-11 23:49:39,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-11 23:49:39,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-11 23:49:39,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-11 23:49:39,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-11 23:49:39,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-11 23:49:39,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-11 23:49:39,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-11 23:49:39,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-11 23:49:39,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-11 23:49:39,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-11 23:49:39,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-11 23:49:39,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-11 23:49:39,491 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 [2020-11-11 23:49:39,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-11 23:49:39,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-11 23:49:39,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-11 23:49:39,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-11 23:49:39,552 INFO L138 SettingsManager]: * Use SBE=true [2020-11-11 23:49:39,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-11 23:49:39,553 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-11 23:49:39,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-11 23:49:39,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-11 23:49:39,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-11 23:49:39,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-11 23:49:39,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-11 23:49:39,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-11 23:49:39,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-11 23:49:39,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-11 23:49:39,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-11 23:49:39,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-11 23:49:39,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-11 23:49:39,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-11 23:49:39,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-11 23:49:39,557 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-11 23:49:39,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-11 23:49:39,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-11 23:49:39,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-11 23:49:39,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-11 23:49:39,558 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-11 23:49:39,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-11 23:49:39,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-11 23:49:39,558 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-11 23:49:39,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-11 23:49:39,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-11 23:49:39,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-11 23:49:39,938 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-11 23:49:39,938 INFO L275 PluginConnector]: CDTParser initialized [2020-11-11 23:49:39,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2020-11-11 23:49:40,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6749abbd0/b359140e0b0b4c95887306b0667a7a1c/FLAG717a5b79c [2020-11-11 23:49:40,635 INFO L306 CDTParser]: Found 1 translation units. [2020-11-11 23:49:40,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.opt.i [2020-11-11 23:49:40,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6749abbd0/b359140e0b0b4c95887306b0667a7a1c/FLAG717a5b79c [2020-11-11 23:49:40,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6749abbd0/b359140e0b0b4c95887306b0667a7a1c [2020-11-11 23:49:40,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-11 23:49:40,949 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-11 23:49:40,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-11 23:49:40,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-11 23:49:40,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-11 23:49:40,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:40" (1/1) ... [2020-11-11 23:49:40,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65740344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:40, skipping insertion in model container [2020-11-11 23:49:40,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:40" (1/1) ... [2020-11-11 23:49:40,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-11 23:49:41,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-11 23:49:41,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 23:49:41,386 INFO L203 MainTranslator]: Completed pre-run [2020-11-11 23:49:41,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-11 23:49:41,554 INFO L208 MainTranslator]: Completed translation [2020-11-11 23:49:41,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41 WrapperNode [2020-11-11 23:49:41,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-11 23:49:41,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-11 23:49:41,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-11 23:49:41,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-11 23:49:41,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-11 23:49:41,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-11 23:49:41,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-11 23:49:41,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-11 23:49:41,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (1/1) ... [2020-11-11 23:49:41,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-11 23:49:41,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-11 23:49:41,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-11 23:49:41,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-11 23:49:41,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (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 [2020-11-11 23:49:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-11 23:49:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-11 23:49:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-11 23:49:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-11 23:49:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-11 23:49:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-11 23:49:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-11 23:49:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-11 23:49:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-11 23:49:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-11 23:49:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-11 23:49:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-11 23:49:41,726 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-11 23:49:42,289 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-11 23:49:42,289 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-11 23:49:42,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:42 BoogieIcfgContainer [2020-11-11 23:49:42,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-11 23:49:42,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-11 23:49:42,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-11 23:49:42,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-11 23:49:42,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.11 11:49:40" (1/3) ... [2020-11-11 23:49:42,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5344e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:49:42, skipping insertion in model container [2020-11-11 23:49:42,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:41" (2/3) ... [2020-11-11 23:49:42,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5344e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.11 11:49:42, skipping insertion in model container [2020-11-11 23:49:42,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:42" (3/3) ... [2020-11-11 23:49:42,304 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.opt.i [2020-11-11 23:49:42,325 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-11 23:49:42,325 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-11 23:49:42,329 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-11 23:49:42,331 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-11 23:49:42,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,366 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,367 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,367 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,368 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,371 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,372 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,372 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,372 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,373 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,373 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,379 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,381 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,381 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,390 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,391 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-11 23:49:42,394 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-11 23:49:42,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-11 23:49:42,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-11 23:49:42,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-11 23:49:42,447 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-11 23:49:42,447 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-11 23:49:42,448 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-11 23:49:42,448 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-11 23:49:42,448 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-11 23:49:42,448 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-11 23:49:42,465 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-11 23:49:42,468 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 64 transitions, 138 flow [2020-11-11 23:49:42,473 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 64 transitions, 138 flow [2020-11-11 23:49:42,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 138 flow [2020-11-11 23:49:42,538 INFO L129 PetriNetUnfolder]: 3/62 cut-off events. [2020-11-11 23:49:42,539 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-11 23:49:42,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 62 events. 3/62 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. 0/58 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-11 23:49:42,554 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-11 23:49:45,676 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-11-11 23:49:46,095 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-11-11 23:49:46,361 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-11-11 23:49:46,665 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-11-11 23:49:46,773 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-11 23:49:46,828 INFO L131 LiptonReduction]: Checked pairs total: 1684 [2020-11-11 23:49:46,828 INFO L133 LiptonReduction]: Total number of compositions: 66 [2020-11-11 23:49:46,836 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 16 transitions, 42 flow [2020-11-11 23:49:46,852 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 74 states, 72 states have (on average 2.4444444444444446) internal successors, (176), 73 states have internal predecessors, (176), 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) [2020-11-11 23:49:46,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 72 states have (on average 2.4444444444444446) internal successors, (176), 73 states have internal predecessors, (176), 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) [2020-11-11 23:49:46,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-11 23:49:46,863 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 23:49:46,863 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-11 23:49:46,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 23:49:46,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 23:49:46,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1312495098, now seen corresponding path program 1 times [2020-11-11 23:49:46,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 23:49:46,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231191114] [2020-11-11 23:49:46,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 23:49:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 23:49:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 23:49:47,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231191114] [2020-11-11 23:49:47,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 23:49:47,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-11 23:49:47,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304054690] [2020-11-11 23:49:47,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 23:49:47,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 23:49:47,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 23:49:47,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 23:49:47,098 INFO L87 Difference]: Start difference. First operand has 74 states, 72 states have (on average 2.4444444444444446) internal successors, (176), 73 states have internal predecessors, (176), 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 3 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) [2020-11-11 23:49:47,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 23:49:47,129 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-11-11 23:49:47,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 23:49:47,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 [2020-11-11 23:49:47,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 23:49:47,141 INFO L225 Difference]: With dead ends: 70 [2020-11-11 23:49:47,141 INFO L226 Difference]: Without dead ends: 54 [2020-11-11 23:49:47,143 INFO L749 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 [2020-11-11 23:49:47,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-11-11 23:49:47,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-11-11 23:49:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 2.056603773584906) internal successors, (109), 53 states have internal predecessors, (109), 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) [2020-11-11 23:49:47,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-11-11 23:49:47,183 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-11-11 23:49:47,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 23:49:47,183 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-11-11 23:49:47,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 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) [2020-11-11 23:49:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-11-11 23:49:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-11 23:49:47,185 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 23:49:47,185 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-11 23:49:47,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-11 23:49:47,185 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 23:49:47,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 23:49:47,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2032679738, now seen corresponding path program 1 times [2020-11-11 23:49:47,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 23:49:47,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650851511] [2020-11-11 23:49:47,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 23:49:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 23:49:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 23:49:47,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650851511] [2020-11-11 23:49:47,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 23:49:47,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 23:49:47,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068368542] [2020-11-11 23:49:47,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-11 23:49:47,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 23:49:47,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-11 23:49:47,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-11 23:49:47,288 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2020-11-11 23:49:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 23:49:47,316 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-11-11 23:49:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-11 23:49:47,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2020-11-11 23:49:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 23:49:47,319 INFO L225 Difference]: With dead ends: 60 [2020-11-11 23:49:47,319 INFO L226 Difference]: Without dead ends: 36 [2020-11-11 23:49:47,320 INFO L749 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 [2020-11-11 23:49:47,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-11-11 23:49:47,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-11-11 23:49:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.8) internal successors, (63), 35 states have internal predecessors, (63), 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) [2020-11-11 23:49:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 63 transitions. [2020-11-11 23:49:47,331 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 63 transitions. Word has length 7 [2020-11-11 23:49:47,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 23:49:47,331 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 63 transitions. [2020-11-11 23:49:47,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2020-11-11 23:49:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2020-11-11 23:49:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-11 23:49:47,334 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 23:49:47,334 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 23:49:47,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-11 23:49:47,334 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 23:49:47,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 23:49:47,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1537780189, now seen corresponding path program 1 times [2020-11-11 23:49:47,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 23:49:47,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957726158] [2020-11-11 23:49:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 23:49:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 23:49:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 23:49:47,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957726158] [2020-11-11 23:49:47,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 23:49:47,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 23:49:47,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490256880] [2020-11-11 23:49:47,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-11 23:49:47,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 23:49:47,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-11 23:49:47,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-11 23:49:47,496 INFO L87 Difference]: Start difference. First operand 36 states and 63 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2020-11-11 23:49:47,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 23:49:47,523 INFO L93 Difference]: Finished difference Result 39 states and 61 transitions. [2020-11-11 23:49:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-11 23:49:47,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2020-11-11 23:49:47,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 23:49:47,525 INFO L225 Difference]: With dead ends: 39 [2020-11-11 23:49:47,525 INFO L226 Difference]: Without dead ends: 29 [2020-11-11 23:49:47,525 INFO L749 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 [2020-11-11 23:49:47,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-11 23:49:47,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-11 23:49:47,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 28 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-11 23:49:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 44 transitions. [2020-11-11 23:49:47,530 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 44 transitions. Word has length 9 [2020-11-11 23:49:47,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 23:49:47,530 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 44 transitions. [2020-11-11 23:49:47,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2020-11-11 23:49:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2020-11-11 23:49:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-11 23:49:47,532 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 23:49:47,532 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 23:49:47,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-11 23:49:47,532 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 23:49:47,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 23:49:47,533 INFO L82 PathProgramCache]: Analyzing trace with hash 369098099, now seen corresponding path program 1 times [2020-11-11 23:49:47,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 23:49:47,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443916039] [2020-11-11 23:49:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 23:49:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 23:49:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 23:49:47,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443916039] [2020-11-11 23:49:47,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 23:49:47,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-11 23:49:47,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169908374] [2020-11-11 23:49:47,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-11 23:49:47,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 23:49:47,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-11 23:49:47,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-11 23:49:47,596 INFO L87 Difference]: Start difference. First operand 29 states and 44 transitions. Second operand has 5 states, 4 states have (on average 2.5) 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) [2020-11-11 23:49:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 23:49:47,630 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2020-11-11 23:49:47,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-11 23:49:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) 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 [2020-11-11 23:49:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 23:49:47,632 INFO L225 Difference]: With dead ends: 27 [2020-11-11 23:49:47,632 INFO L226 Difference]: Without dead ends: 22 [2020-11-11 23:49:47,632 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-11 23:49:47,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-11 23:49:47,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-11 23:49:47,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 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) [2020-11-11 23:49:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2020-11-11 23:49:47,636 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 10 [2020-11-11 23:49:47,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 23:49:47,636 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2020-11-11 23:49:47,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 2.5) 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) [2020-11-11 23:49:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2020-11-11 23:49:47,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-11 23:49:47,637 INFO L486 BasicCegarLoop]: Found error trace [2020-11-11 23:49:47,637 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-11 23:49:47,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-11 23:49:47,638 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-11 23:49:47,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-11 23:49:47,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1814685874, now seen corresponding path program 1 times [2020-11-11 23:49:47,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-11 23:49:47,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581644373] [2020-11-11 23:49:47,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-11 23:49:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-11 23:49:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-11 23:49:47,681 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581644373] [2020-11-11 23:49:47,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-11 23:49:47,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-11 23:49:47,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353915675] [2020-11-11 23:49:47,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-11 23:49:47,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-11 23:49:47,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-11 23:49:47,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 23:49:47,684 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2020-11-11 23:49:47,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-11 23:49:47,692 INFO L93 Difference]: Finished difference Result 21 states and 29 transitions. [2020-11-11 23:49:47,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-11 23:49:47,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2020-11-11 23:49:47,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-11 23:49:47,695 INFO L225 Difference]: With dead ends: 21 [2020-11-11 23:49:47,695 INFO L226 Difference]: Without dead ends: 0 [2020-11-11 23:49:47,696 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-11 23:49:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-11 23:49:47,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-11 23:49:47,696 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) [2020-11-11 23:49:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-11 23:49:47,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-11 23:49:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-11 23:49:47,697 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-11 23:49:47,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2020-11-11 23:49:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-11 23:49:47,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-11 23:49:47,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-11 23:49:47,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.11 11:49:47 BasicIcfg [2020-11-11 23:49:47,701 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-11 23:49:47,703 INFO L168 Benchmark]: Toolchain (without parser) took 6758.67 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 275.5 MB in the beginning and 337.3 MB in the end (delta: -61.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.0 GB. [2020-11-11 23:49:47,704 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 23:49:47,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.61 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 277.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.0 GB. [2020-11-11 23:49:47,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.94 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 275.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 23:49:47,706 INFO L168 Benchmark]: Boogie Preprocessor took 31.90 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 273.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-11 23:49:47,707 INFO L168 Benchmark]: RCFGBuilder took 655.16 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 251.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2020-11-11 23:49:47,708 INFO L168 Benchmark]: TraceAbstraction took 5405.03 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 251.2 MB in the beginning and 337.3 MB in the end (delta: -86.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-11 23:49:47,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 302.0 MB. Free memory is still 271.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 603.61 ms. Allocated memory is still 302.0 MB. Free memory was 274.8 MB in the beginning and 277.5 MB in the end (delta: -2.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 49.94 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 275.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.90 ms. Allocated memory is still 302.0 MB. Free memory was 275.4 MB in the beginning and 273.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 655.16 ms. Allocated memory is still 302.0 MB. Free memory was 273.3 MB in the beginning and 251.2 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5405.03 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 251.2 MB in the beginning and 337.3 MB in the end (delta: -86.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 585 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 30 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.3s, 68 PlacesBefore, 22 PlacesAfterwards, 64 TransitionsBefore, 16 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 7 FixpointIterations, 16 TrivialSequentialCompositions, 38 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 66 TotalNumberOfCompositions, 1684 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, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 59 SDtfs, 43 SDslu, 54 SDs, 0 SdLazy, 44 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 827 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...