/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/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 12:07:35,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 12:07:35,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 12:07:35,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 12:07:35,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 12:07:35,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 12:07:35,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 12:07:35,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 12:07:35,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 12:07:35,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 12:07:35,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 12:07:35,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 12:07:35,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 12:07:35,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 12:07:35,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 12:07:35,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 12:07:35,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 12:07:35,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 12:07:35,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 12:07:35,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 12:07:35,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 12:07:35,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 12:07:35,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 12:07:35,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 12:07:35,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 12:07:35,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 12:07:35,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 12:07:35,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 12:07:35,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 12:07:35,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 12:07:35,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 12:07:35,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 12:07:35,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 12:07:35,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 12:07:35,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 12:07:35,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 12:07:35,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 12:07:35,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 12:07:35,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 12:07:35,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 12:07:35,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 12:07:35,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-16 12:07:35,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 12:07:35,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 12:07:35,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 12:07:35,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 12:07:35,503 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 12:07:35,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 12:07:35,503 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 12:07:35,503 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 12:07:35,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 12:07:35,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 12:07:35,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 12:07:35,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 12:07:35,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 12:07:35,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 12:07:35,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 12:07:35,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 12:07:35,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 12:07:35,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 12:07:35,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 12:07:35,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 12:07:35,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 12:07:35,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 12:07:35,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 12:07:35,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 12:07:35,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 12:07:35,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 12:07:35,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 12:07:35,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 12:07:35,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 12:07:35,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 12:07:35,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 12:07:35,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 12:07:35,841 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 12:07:35,841 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 12:07:35,842 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-10-16 12:07:35,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e91be6ddd/5ee3afd730e64d839f9fb1faac5bd874/FLAG4cf6f2e7d [2020-10-16 12:07:36,461 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 12:07:36,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/safe003_tso.opt.i [2020-10-16 12:07:36,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e91be6ddd/5ee3afd730e64d839f9fb1faac5bd874/FLAG4cf6f2e7d [2020-10-16 12:07:36,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e91be6ddd/5ee3afd730e64d839f9fb1faac5bd874 [2020-10-16 12:07:36,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 12:07:36,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 12:07:36,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 12:07:36,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 12:07:36,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 12:07:36,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:07:36" (1/1) ... [2020-10-16 12:07:36,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bdbe39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:36, skipping insertion in model container [2020-10-16 12:07:36,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:07:36" (1/1) ... [2020-10-16 12:07:36,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 12:07:36,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 12:07:37,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:07:37,238 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 12:07:37,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 12:07:37,473 INFO L208 MainTranslator]: Completed translation [2020-10-16 12:07:37,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37 WrapperNode [2020-10-16 12:07:37,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 12:07:37,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 12:07:37,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 12:07:37,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 12:07:37,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 12:07:37,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 12:07:37,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 12:07:37,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 12:07:37,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... [2020-10-16 12:07:37,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 12:07:37,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 12:07:37,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 12:07:37,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 12:07:37,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 12:07:37,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 12:07:37,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 12:07:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 12:07:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 12:07:37,638 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 12:07:37,638 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 12:07:37,639 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 12:07:37,639 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 12:07:37,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-16 12:07:37,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-16 12:07:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 12:07:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 12:07:37,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 12:07:37,644 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 12:07:38,075 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 12:07:38,076 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 12:07:38,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:07:38 BoogieIcfgContainer [2020-10-16 12:07:38,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 12:07:38,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 12:07:38,080 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 12:07:38,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 12:07:38,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:07:36" (1/3) ... [2020-10-16 12:07:38,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d9aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:07:38, skipping insertion in model container [2020-10-16 12:07:38,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:07:37" (2/3) ... [2020-10-16 12:07:38,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d9aeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:07:38, skipping insertion in model container [2020-10-16 12:07:38,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:07:38" (3/3) ... [2020-10-16 12:07:38,091 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_tso.opt.i [2020-10-16 12:07:38,103 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 12:07:38,104 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 12:07:38,112 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 12:07:38,112 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 12:07:38,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,140 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,140 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,141 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,141 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,142 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,142 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,143 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,143 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,144 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,144 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,145 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,145 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,145 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,160 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,161 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 12:07:38,164 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 12:07:38,179 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-16 12:07:38,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 12:07:38,202 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 12:07:38,202 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 12:07:38,202 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 12:07:38,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 12:07:38,202 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 12:07:38,203 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 12:07:38,203 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 12:07:38,215 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 12:07:38,216 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-10-16 12:07:38,218 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 70 transitions, 155 flow [2020-10-16 12:07:38,220 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-16 12:07:38,265 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-16 12:07:38,266 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 12:07:38,271 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-16 12:07:38,274 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-16 12:07:39,555 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-10-16 12:07:39,711 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2020-10-16 12:07:39,754 INFO L132 LiptonReduction]: Checked pairs total: 2810 [2020-10-16 12:07:39,754 INFO L134 LiptonReduction]: Total number of compositions: 60 [2020-10-16 12:07:39,760 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-16 12:07:39,788 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-16 12:07:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-16 12:07:39,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-16 12:07:39,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:39,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:39,801 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:39,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:39,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-10-16 12:07:39,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:39,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454667614] [2020-10-16 12:07:39,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,047 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454667614] [2020-10-16 12:07:40,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 12:07:40,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735699889] [2020-10-16 12:07:40,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:07:40,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:07:40,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:07:40,067 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-16 12:07:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,121 INFO L93 Difference]: Finished difference Result 266 states and 752 transitions. [2020-10-16 12:07:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:07:40,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-16 12:07:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,138 INFO L225 Difference]: With dead ends: 266 [2020-10-16 12:07:40,138 INFO L226 Difference]: Without dead ends: 202 [2020-10-16 12:07:40,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:07:40,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-16 12:07:40,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-16 12:07:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-16 12:07:40,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 544 transitions. [2020-10-16 12:07:40,205 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 544 transitions. Word has length 8 [2020-10-16 12:07:40,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,207 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 544 transitions. [2020-10-16 12:07:40,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:07:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 544 transitions. [2020-10-16 12:07:40,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-16 12:07:40,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:40,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:40,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 12:07:40,210 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:40,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1613616234, now seen corresponding path program 1 times [2020-10-16 12:07:40,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:40,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143793867] [2020-10-16 12:07:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143793867] [2020-10-16 12:07:40,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:40,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838143469] [2020-10-16 12:07:40,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:40,351 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:40,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:40,351 INFO L87 Difference]: Start difference. First operand 202 states and 544 transitions. Second operand 4 states. [2020-10-16 12:07:40,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,381 INFO L93 Difference]: Finished difference Result 254 states and 666 transitions. [2020-10-16 12:07:40,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:07:40,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-10-16 12:07:40,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,385 INFO L225 Difference]: With dead ends: 254 [2020-10-16 12:07:40,385 INFO L226 Difference]: Without dead ends: 190 [2020-10-16 12:07:40,386 INFO L677 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 [2020-10-16 12:07:40,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-16 12:07:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2020-10-16 12:07:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-16 12:07:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 502 transitions. [2020-10-16 12:07:40,405 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 502 transitions. Word has length 10 [2020-10-16 12:07:40,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,406 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 502 transitions. [2020-10-16 12:07:40,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:40,406 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 502 transitions. [2020-10-16 12:07:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-16 12:07:40,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:40,408 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:40,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 12:07:40,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:40,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:40,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1111108671, now seen corresponding path program 1 times [2020-10-16 12:07:40,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:40,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186858161] [2020-10-16 12:07:40,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186858161] [2020-10-16 12:07:40,469 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 12:07:40,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130361904] [2020-10-16 12:07:40,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:40,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:40,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:40,471 INFO L87 Difference]: Start difference. First operand 190 states and 502 transitions. Second operand 4 states. [2020-10-16 12:07:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,506 INFO L93 Difference]: Finished difference Result 286 states and 722 transitions. [2020-10-16 12:07:40,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-16 12:07:40,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-16 12:07:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,508 INFO L225 Difference]: With dead ends: 286 [2020-10-16 12:07:40,509 INFO L226 Difference]: Without dead ends: 178 [2020-10-16 12:07:40,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 12:07:40,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-16 12:07:40,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 154. [2020-10-16 12:07:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-16 12:07:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 376 transitions. [2020-10-16 12:07:40,523 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 376 transitions. Word has length 11 [2020-10-16 12:07:40,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,523 INFO L481 AbstractCegarLoop]: Abstraction has 154 states and 376 transitions. [2020-10-16 12:07:40,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 376 transitions. [2020-10-16 12:07:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:07:40,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:40,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:40,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 12:07:40,526 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:40,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:40,526 INFO L82 PathProgramCache]: Analyzing trace with hash -143018253, now seen corresponding path program 1 times [2020-10-16 12:07:40,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:40,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373485017] [2020-10-16 12:07:40,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373485017] [2020-10-16 12:07:40,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:40,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926174965] [2020-10-16 12:07:40,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:40,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:40,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:40,572 INFO L87 Difference]: Start difference. First operand 154 states and 376 transitions. Second operand 4 states. [2020-10-16 12:07:40,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,594 INFO L93 Difference]: Finished difference Result 214 states and 514 transitions. [2020-10-16 12:07:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:07:40,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-16 12:07:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,596 INFO L225 Difference]: With dead ends: 214 [2020-10-16 12:07:40,596 INFO L226 Difference]: Without dead ends: 150 [2020-10-16 12:07:40,597 INFO L677 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 [2020-10-16 12:07:40,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-10-16 12:07:40,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-10-16 12:07:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-10-16 12:07:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 362 transitions. [2020-10-16 12:07:40,606 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 362 transitions. Word has length 12 [2020-10-16 12:07:40,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,607 INFO L481 AbstractCegarLoop]: Abstraction has 150 states and 362 transitions. [2020-10-16 12:07:40,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:40,607 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 362 transitions. [2020-10-16 12:07:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-16 12:07:40,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:40,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:40,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-16 12:07:40,609 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:40,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:40,609 INFO L82 PathProgramCache]: Analyzing trace with hash -178767453, now seen corresponding path program 2 times [2020-10-16 12:07:40,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:40,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843916441] [2020-10-16 12:07:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843916441] [2020-10-16 12:07:40,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:40,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630333525] [2020-10-16 12:07:40,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 12:07:40,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 12:07:40,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 12:07:40,662 INFO L87 Difference]: Start difference. First operand 150 states and 362 transitions. Second operand 3 states. [2020-10-16 12:07:40,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,679 INFO L93 Difference]: Finished difference Result 170 states and 402 transitions. [2020-10-16 12:07:40,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 12:07:40,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-10-16 12:07:40,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,680 INFO L225 Difference]: With dead ends: 170 [2020-10-16 12:07:40,680 INFO L226 Difference]: Without dead ends: 68 [2020-10-16 12:07:40,681 INFO L677 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 [2020-10-16 12:07:40,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-16 12:07:40,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-16 12:07:40,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-16 12:07:40,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 144 transitions. [2020-10-16 12:07:40,686 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 144 transitions. Word has length 12 [2020-10-16 12:07:40,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,686 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 144 transitions. [2020-10-16 12:07:40,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 12:07:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 144 transitions. [2020-10-16 12:07:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-16 12:07:40,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 12:07:40,688 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 12:07:40,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-16 12:07:40,688 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 12:07:40,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 12:07:40,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1246852910, now seen corresponding path program 1 times [2020-10-16 12:07:40,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 12:07:40,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787696637] [2020-10-16 12:07:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 12:07:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 12:07:40,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 12:07:40,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787696637] [2020-10-16 12:07:40,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 12:07:40,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 12:07:40,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671398071] [2020-10-16 12:07:40,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 12:07:40,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 12:07:40,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 12:07:40,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 12:07:40,754 INFO L87 Difference]: Start difference. First operand 68 states and 144 transitions. Second operand 4 states. [2020-10-16 12:07:40,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 12:07:40,767 INFO L93 Difference]: Finished difference Result 56 states and 112 transitions. [2020-10-16 12:07:40,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 12:07:40,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-16 12:07:40,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 12:07:40,768 INFO L225 Difference]: With dead ends: 56 [2020-10-16 12:07:40,768 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 12:07:40,768 INFO L677 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 [2020-10-16 12:07:40,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 12:07:40,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 12:07:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 12:07:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 12:07:40,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-16 12:07:40,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 12:07:40,769 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 12:07:40,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 12:07:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 12:07:40,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 12:07:40,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-16 12:07:40,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 12:07:40 BasicIcfg [2020-10-16 12:07:40,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 12:07:40,774 INFO L168 Benchmark]: Toolchain (without parser) took 4017.44 ms. Allocated memory was 139.5 MB in the beginning and 248.5 MB in the end (delta: 109.1 MB). Free memory was 101.5 MB in the beginning and 112.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,775 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.12 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.13 ms. Allocated memory is still 202.9 MB. Free memory was 161.3 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. [2020-10-16 12:07:40,777 INFO L168 Benchmark]: Boogie Preprocessor took 28.53 ms. Allocated memory is still 202.9 MB. Free memory was 159.3 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,778 INFO L168 Benchmark]: RCFGBuilder took 520.30 ms. Allocated memory is still 202.9 MB. Free memory was 157.4 MB in the beginning and 135.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,779 INFO L168 Benchmark]: TraceAbstraction took 2692.97 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 135.2 MB in the beginning and 112.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2020-10-16 12:07:40,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.12 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 161.3 MB in the end (delta: -60.3 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.13 ms. Allocated memory is still 202.9 MB. Free memory was 161.3 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 28.53 ms. Allocated memory is still 202.9 MB. Free memory was 159.3 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 520.30 ms. Allocated memory is still 202.9 MB. Free memory was 157.4 MB in the beginning and 135.2 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2692.97 ms. Allocated memory was 202.9 MB in the beginning and 248.5 MB in the end (delta: 45.6 MB). Free memory was 135.2 MB in the beginning and 112.4 MB in the end (delta: 22.8 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 660 VarBasedMoverChecksPositive, 26 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 41 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 78 PlacesBefore, 31 PlacesAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 60 TotalNumberOfCompositions, 2810 MoverChecksTotal - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.5s, HoareTripleCheckerStatistics: 117 SDtfs, 92 SDslu, 101 SDs, 0 SdLazy, 44 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1654 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...