/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/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:48:35,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:48:35,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:48:35,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:48:35,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:48:35,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:48:35,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:48:35,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:48:35,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:48:35,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:48:35,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:48:35,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:48:35,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:48:35,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:48:35,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:48:35,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:48:35,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:48:35,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:48:35,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:48:35,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:48:35,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:48:35,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:48:35,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:48:35,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:48:35,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 22:48:35,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 22:48:35,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 22:48:35,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 22:48:35,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 22:48:35,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 22:48:35,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:48:35,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:48:35,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:48:35,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:48:35,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:48:35,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:48:35,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:48:35,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:48:35,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:48:35,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:48:35,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:48:35,530 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 22:48:35,558 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:48:35,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:48:35,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:48:35,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:48:35,561 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:48:35,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:48:35,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:48:35,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:48:35,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:48:35,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:48:35,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:48:35,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:48:35,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:48:35,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:48:35,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:48:35,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:48:35,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:48:35,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:48:35,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:48:35,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:48:35,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:48:35,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:48:35,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:48:35,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:48:35,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:48:35,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:48:35,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:48:35,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:48:35,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:48:35,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:48:35,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:48:35,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:48:35,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:48:35,900 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:48:35,900 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:48:35,901 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2020-10-05 22:48:35,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83b835f4/1aac895afd7c4735ab45982e83e0376d/FLAGef5413225 [2020-10-05 22:48:36,533 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:48:36,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2020-10-05 22:48:36,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83b835f4/1aac895afd7c4735ab45982e83e0376d/FLAGef5413225 [2020-10-05 22:48:36,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83b835f4/1aac895afd7c4735ab45982e83e0376d [2020-10-05 22:48:36,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:48:36,812 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:48:36,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:48:36,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:48:36,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:48:36,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:48:36" (1/1) ... [2020-10-05 22:48:36,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3505185a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:36, skipping insertion in model container [2020-10-05 22:48:36,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:48:36" (1/1) ... [2020-10-05 22:48:36,833 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:48:36,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:48:37,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:48:37,377 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:48:37,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:48:37,493 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:48:37,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37 WrapperNode [2020-10-05 22:48:37,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:48:37,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:48:37,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:48:37,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:48:37,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:48:37,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:48:37,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:48:37,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:48:37,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (1/1) ... [2020-10-05 22:48:37,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:48:37,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:48:37,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:48:37,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:48:37,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (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 22:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 22:48:37,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:48:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:48:37,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 22:48:37,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 22:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 22:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 22:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 22:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 22:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 22:48:37,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:48:37,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:48:37,652 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 22:48:38,042 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:48:38,042 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 22:48:38,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:48:38 BoogieIcfgContainer [2020-10-05 22:48:38,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:48:38,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:48:38,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:48:38,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:48:38,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:48:36" (1/3) ... [2020-10-05 22:48:38,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d1713c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:48:38, skipping insertion in model container [2020-10-05 22:48:38,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:48:37" (2/3) ... [2020-10-05 22:48:38,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d1713c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:48:38, skipping insertion in model container [2020-10-05 22:48:38,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:48:38" (3/3) ... [2020-10-05 22:48:38,055 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2020-10-05 22:48:38,067 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:48:38,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:48:38,077 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 22:48:38,078 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:48:38,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,109 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,110 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,111 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,112 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,113 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,113 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,113 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,118 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,119 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,119 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,125 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,125 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,126 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,126 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,128 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,129 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,129 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:48:38,146 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 22:48:38,170 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:48:38,170 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:48:38,170 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:48:38,170 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:48:38,171 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:48:38,171 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:48:38,171 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:48:38,171 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:48:38,189 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-05 22:48:38,192 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 22:48:38,250 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 22:48:38,250 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:48:38,257 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:48:38,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 22:48:38,306 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 22:48:38,307 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:48:38,310 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:48:38,315 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 22:48:38,316 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:48:39,749 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-10-05 22:48:39,750 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-10-05 22:48:39,754 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-05 22:48:39,782 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-05 22:48:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-05 22:48:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:48:39,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:39,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:39,793 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:39,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:39,799 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-05 22:48:39,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:39,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658258939] [2020-10-05 22:48:39,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:39,976 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 22:48:39,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658258939] [2020-10-05 22:48:39,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:39,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:48:39,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615012995] [2020-10-05 22:48:39,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 22:48:39,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:39,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 22:48:39,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 22:48:40,001 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-05 22:48:40,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,035 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-05 22:48:40,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 22:48:40,036 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-05 22:48:40,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,054 INFO L225 Difference]: With dead ends: 362 [2020-10-05 22:48:40,054 INFO L226 Difference]: Without dead ends: 298 [2020-10-05 22:48:40,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 22:48:40,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-05 22:48:40,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-05 22:48:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-05 22:48:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-05 22:48:40,142 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-05 22:48:40,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,144 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-05 22:48:40,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 22:48:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-05 22:48:40,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 22:48:40,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:40,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:40,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:48:40,150 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:40,150 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-05 22:48:40,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:40,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748155245] [2020-10-05 22:48:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:40,305 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 22:48:40,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748155245] [2020-10-05 22:48:40,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:40,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:48:40,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772717744] [2020-10-05 22:48:40,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:48:40,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:40,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:48:40,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:48:40,309 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-05 22:48:40,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,346 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-05 22:48:40,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:48:40,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 22:48:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,350 INFO L225 Difference]: With dead ends: 330 [2020-10-05 22:48:40,350 INFO L226 Difference]: Without dead ends: 266 [2020-10-05 22:48:40,351 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 22:48:40,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-05 22:48:40,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-05 22:48:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-05 22:48:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-05 22:48:40,375 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-05 22:48:40,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,376 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-05 22:48:40,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:48:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-05 22:48:40,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 22:48:40,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:40,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:40,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:48:40,378 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:40,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:40,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-05 22:48:40,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:40,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047819988] [2020-10-05 22:48:40,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:40,477 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 22:48:40,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047819988] [2020-10-05 22:48:40,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:40,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:48:40,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146885588] [2020-10-05 22:48:40,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:48:40,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:40,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:48:40,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:40,479 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-10-05 22:48:40,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,545 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-05 22:48:40,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 22:48:40,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-05 22:48:40,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,549 INFO L225 Difference]: With dead ends: 290 [2020-10-05 22:48:40,549 INFO L226 Difference]: Without dead ends: 242 [2020-10-05 22:48:40,550 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-05 22:48:40,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-05 22:48:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-05 22:48:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-05 22:48:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-05 22:48:40,566 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-05 22:48:40,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,566 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-05 22:48:40,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:48:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-05 22:48:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 22:48:40,568 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:40,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:40,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:48:40,569 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:40,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:40,570 INFO L82 PathProgramCache]: Analyzing trace with hash -635370963, now seen corresponding path program 1 times [2020-10-05 22:48:40,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:40,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418834054] [2020-10-05 22:48:40,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:40,633 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 22:48:40,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418834054] [2020-10-05 22:48:40,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:40,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:48:40,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731690359] [2020-10-05 22:48:40,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:48:40,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:40,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:48:40,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:40,636 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 5 states. [2020-10-05 22:48:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,683 INFO L93 Difference]: Finished difference Result 302 states and 803 transitions. [2020-10-05 22:48:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 22:48:40,684 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-05 22:48:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,685 INFO L225 Difference]: With dead ends: 302 [2020-10-05 22:48:40,686 INFO L226 Difference]: Without dead ends: 146 [2020-10-05 22:48:40,686 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:48:40,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-05 22:48:40,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-05 22:48:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-05 22:48:40,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-10-05 22:48:40,694 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 11 [2020-10-05 22:48:40,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,694 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-10-05 22:48:40,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:48:40,695 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-10-05 22:48:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 22:48:40,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:40,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:40,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 22:48:40,697 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:40,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:40,697 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-10-05 22:48:40,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:40,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142076666] [2020-10-05 22:48:40,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:40,754 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 22:48:40,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142076666] [2020-10-05 22:48:40,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:40,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:48:40,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023942873] [2020-10-05 22:48:40,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:48:40,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:40,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:48:40,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:40,757 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-10-05 22:48:40,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,825 INFO L93 Difference]: Finished difference Result 176 states and 423 transitions. [2020-10-05 22:48:40,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 22:48:40,826 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-05 22:48:40,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,827 INFO L225 Difference]: With dead ends: 176 [2020-10-05 22:48:40,827 INFO L226 Difference]: Without dead ends: 98 [2020-10-05 22:48:40,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:48:40,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-05 22:48:40,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-05 22:48:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-05 22:48:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-10-05 22:48:40,832 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 13 [2020-10-05 22:48:40,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,833 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-10-05 22:48:40,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:48:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-10-05 22:48:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 22:48:40,834 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:48:40,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:48:40,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:48:40,835 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:48:40,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:48:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash -647415272, now seen corresponding path program 1 times [2020-10-05 22:48:40,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:48:40,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018735506] [2020-10-05 22:48:40,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:48:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:48:40,897 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 22:48:40,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018735506] [2020-10-05 22:48:40,898 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:48:40,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:48:40,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642992492] [2020-10-05 22:48:40,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 22:48:40,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:48:40,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 22:48:40,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:48:40,900 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 5 states. [2020-10-05 22:48:40,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:48:40,942 INFO L93 Difference]: Finished difference Result 86 states and 186 transitions. [2020-10-05 22:48:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 22:48:40,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-05 22:48:40,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:48:40,943 INFO L225 Difference]: With dead ends: 86 [2020-10-05 22:48:40,943 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 22:48:40,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 22:48:40,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 22:48:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 22:48:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 22:48:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 22:48:40,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-05 22:48:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:48:40,945 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 22:48:40,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 22:48:40,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 22:48:40,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 22:48:40,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:48:40,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:48:40 BasicIcfg [2020-10-05 22:48:40,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:48:40,953 INFO L168 Benchmark]: Toolchain (without parser) took 4140.35 ms. Allocated memory was 147.3 MB in the beginning and 246.9 MB in the end (delta: 99.6 MB). Free memory was 101.2 MB in the beginning and 192.6 MB in the end (delta: -91.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,954 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.52 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 161.9 MB in the end (delta: -60.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.93 ms. Allocated memory is still 203.9 MB. Free memory was 161.2 MB in the beginning and 159.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,956 INFO L168 Benchmark]: Boogie Preprocessor took 25.86 ms. Allocated memory is still 203.9 MB. Free memory was 159.3 MB in the beginning and 158.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,957 INFO L168 Benchmark]: RCFGBuilder took 472.95 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 135.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:48:40,958 INFO L168 Benchmark]: TraceAbstraction took 2903.26 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 134.7 MB in the beginning and 192.6 MB in the end (delta: -58.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 22:48:40,962 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 147.3 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.52 ms. Allocated memory was 147.3 MB in the beginning and 203.9 MB in the end (delta: 56.6 MB). Free memory was 101.0 MB in the beginning and 161.9 MB in the end (delta: -60.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.93 ms. Allocated memory is still 203.9 MB. Free memory was 161.2 MB in the beginning and 159.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.86 ms. Allocated memory is still 203.9 MB. Free memory was 159.3 MB in the beginning and 158.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 472.95 ms. Allocated memory is still 203.9 MB. Free memory was 158.0 MB in the beginning and 135.3 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2903.26 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 134.7 MB in the beginning and 192.6 MB in the end (delta: -58.0 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: 1.5s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 688 VarBasedMoverChecksPositive, 31 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 29 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 128 SDtfs, 156 SDslu, 189 SDs, 0 SdLazy, 60 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 2296 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...