/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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 02:28:48,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 02:28:48,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 02:28:48,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 02:28:48,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 02:28:48,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 02:28:48,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 02:28:48,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 02:28:48,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 02:28:48,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 02:28:48,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 02:28:48,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 02:28:48,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 02:28:48,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 02:28:48,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 02:28:48,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 02:28:48,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 02:28:48,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 02:28:48,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 02:28:48,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 02:28:48,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 02:28:48,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 02:28:48,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 02:28:48,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 02:28:48,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 02:28:48,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 02:28:48,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 02:28:48,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 02:28:48,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 02:28:48,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 02:28:48,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 02:28:48,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 02:28:48,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 02:28:48,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 02:28:48,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 02:28:48,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 02:28:48,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 02:28:48,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 02:28:48,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 02:28:48,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 02:28:48,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 02:28:48,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2020-04-18 02:28:48,634 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 02:28:48,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 02:28:48,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 02:28:48,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 02:28:48,641 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 02:28:48,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 02:28:48,641 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 02:28:48,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 02:28:48,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 02:28:48,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 02:28:48,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 02:28:48,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 02:28:48,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 02:28:48,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 02:28:48,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 02:28:48,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 02:28:48,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 02:28:48,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 02:28:48,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 02:28:48,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 02:28:48,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 02:28:48,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 02:28:48,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 02:28:48,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 02:28:48,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 02:28:48,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-04-18 02:28:48,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 02:28:48,648 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-04-18 02:28:48,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 02:28:48,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 02:28:48,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 02:28:48,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 02:28:48,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 02:28:48,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 02:28:48,949 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 02:28:48,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-04-18 02:28:49,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0033dcd13/449402a2d002422d903051292db917f3/FLAG5db2c5158 [2020-04-18 02:28:49,529 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 02:28:49,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_tso.oepc.i [2020-04-18 02:28:49,553 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0033dcd13/449402a2d002422d903051292db917f3/FLAG5db2c5158 [2020-04-18 02:28:49,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0033dcd13/449402a2d002422d903051292db917f3 [2020-04-18 02:28:49,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 02:28:49,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 02:28:49,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 02:28:49,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 02:28:49,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 02:28:49,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:28:49" (1/1) ... [2020-04-18 02:28:49,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534d62a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:49, skipping insertion in model container [2020-04-18 02:28:49,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 02:28:49" (1/1) ... [2020-04-18 02:28:49,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 02:28:49,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 02:28:50,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:28:50,400 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 02:28:50,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 02:28:50,558 INFO L208 MainTranslator]: Completed translation [2020-04-18 02:28:50,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50 WrapperNode [2020-04-18 02:28:50,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 02:28:50,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 02:28:50,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 02:28:50,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 02:28:50,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 02:28:50,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 02:28:50,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 02:28:50,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 02:28:50,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (1/1) ... [2020-04-18 02:28:50,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 02:28:50,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 02:28:50,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 02:28:50,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 02:28:50,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (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 [2020-04-18 02:28:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 02:28:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 02:28:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 02:28:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 02:28:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 02:28:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 02:28:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 02:28:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 02:28:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-04-18 02:28:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-04-18 02:28:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2020-04-18 02:28:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2020-04-18 02:28:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 02:28:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 02:28:50,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 02:28:50,706 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-04-18 02:28:51,175 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 02:28:51,176 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 02:28:51,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:28:51 BoogieIcfgContainer [2020-04-18 02:28:51,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 02:28:51,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 02:28:51,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 02:28:51,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 02:28:51,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 02:28:49" (1/3) ... [2020-04-18 02:28:51,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46440169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:28:51, skipping insertion in model container [2020-04-18 02:28:51,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 02:28:50" (2/3) ... [2020-04-18 02:28:51,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46440169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 02:28:51, skipping insertion in model container [2020-04-18 02:28:51,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 02:28:51" (3/3) ... [2020-04-18 02:28:51,199 INFO L109 eAbstractionObserver]: Analyzing ICFG safe019_tso.oepc.i [2020-04-18 02:28:51,209 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 02:28:51,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 02:28:51,216 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 02:28:51,217 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 02:28:51,250 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,251 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,253 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,253 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,253 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,254 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,255 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,255 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,256 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,256 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,256 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,257 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,258 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,258 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,259 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,259 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,260 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,260 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,260 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,261 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,269 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,270 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,270 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,270 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,277 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,278 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,278 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,278 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,280 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,281 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,281 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,282 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,284 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,284 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,284 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,285 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 02:28:51,303 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-04-18 02:28:51,328 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 02:28:51,328 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 02:28:51,328 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 02:28:51,329 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 02:28:51,329 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 02:28:51,329 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 02:28:51,329 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 02:28:51,329 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 02:28:51,355 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:51,357 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:51,437 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-18 02:28:51,437 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:28:51,446 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-04-18 02:28:51,455 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 81 transitions, 182 flow [2020-04-18 02:28:51,478 INFO L129 PetriNetUnfolder]: 2/77 cut-off events. [2020-04-18 02:28:51,478 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-04-18 02:28:51,479 INFO L80 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 77 events. 2/77 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2020-04-18 02:28:51,481 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1822 [2020-04-18 02:28:51,482 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-04-18 02:28:53,188 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-04-18 02:28:53,284 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3093 [2020-04-18 02:28:53,284 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2020-04-18 02:28:53,290 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 25 transitions, 70 flow [2020-04-18 02:28:53,369 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 706 states. [2020-04-18 02:28:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states. [2020-04-18 02:28:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-04-18 02:28:53,389 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:53,390 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:53,390 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:53,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2005095105, now seen corresponding path program 1 times [2020-04-18 02:28:53,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:53,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768976348] [2020-04-18 02:28:53,409 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:53,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768976348] [2020-04-18 02:28:53,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:53,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:28:53,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444606602] [2020-04-18 02:28:53,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:28:53,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:53,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:28:53,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:28:53,716 INFO L87 Difference]: Start difference. First operand 706 states. Second operand 3 states. [2020-04-18 02:28:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:53,776 INFO L93 Difference]: Finished difference Result 670 states and 2295 transitions. [2020-04-18 02:28:53,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:28:53,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-04-18 02:28:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:53,803 INFO L225 Difference]: With dead ends: 670 [2020-04-18 02:28:53,803 INFO L226 Difference]: Without dead ends: 526 [2020-04-18 02:28:53,805 INFO L678 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 [2020-04-18 02:28:53,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-04-18 02:28:53,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2020-04-18 02:28:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2020-04-18 02:28:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1743 transitions. [2020-04-18 02:28:53,909 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1743 transitions. Word has length 10 [2020-04-18 02:28:53,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:53,913 INFO L479 AbstractCegarLoop]: Abstraction has 526 states and 1743 transitions. [2020-04-18 02:28:53,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:28:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1743 transitions. [2020-04-18 02:28:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-04-18 02:28:53,919 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:53,919 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:53,920 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:53,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2027540211, now seen corresponding path program 1 times [2020-04-18 02:28:53,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:53,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63372647] [2020-04-18 02:28:53,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63372647] [2020-04-18 02:28:54,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:54,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961219470] [2020-04-18 02:28:54,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:54,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:54,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:54,008 INFO L87 Difference]: Start difference. First operand 526 states and 1743 transitions. Second operand 4 states. [2020-04-18 02:28:54,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,057 INFO L93 Difference]: Finished difference Result 724 states and 2331 transitions. [2020-04-18 02:28:54,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:54,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-04-18 02:28:54,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,062 INFO L225 Difference]: With dead ends: 724 [2020-04-18 02:28:54,062 INFO L226 Difference]: Without dead ends: 412 [2020-04-18 02:28:54,063 INFO L678 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 [2020-04-18 02:28:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-04-18 02:28:54,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2020-04-18 02:28:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-04-18 02:28:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1323 transitions. [2020-04-18 02:28:54,087 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1323 transitions. Word has length 11 [2020-04-18 02:28:54,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,088 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 1323 transitions. [2020-04-18 02:28:54,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:54,088 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1323 transitions. [2020-04-18 02:28:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-04-18 02:28:54,090 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,090 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,090 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1543893440, now seen corresponding path program 1 times [2020-04-18 02:28:54,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332089877] [2020-04-18 02:28:54,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332089877] [2020-04-18 02:28:54,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-04-18 02:28:54,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255476933] [2020-04-18 02:28:54,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-04-18 02:28:54,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-04-18 02:28:54,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-04-18 02:28:54,162 INFO L87 Difference]: Start difference. First operand 412 states and 1323 transitions. Second operand 3 states. [2020-04-18 02:28:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,176 INFO L93 Difference]: Finished difference Result 394 states and 1254 transitions. [2020-04-18 02:28:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-04-18 02:28:54,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2020-04-18 02:28:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,180 INFO L225 Difference]: With dead ends: 394 [2020-04-18 02:28:54,181 INFO L226 Difference]: Without dead ends: 394 [2020-04-18 02:28:54,181 INFO L678 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 [2020-04-18 02:28:54,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-04-18 02:28:54,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2020-04-18 02:28:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-04-18 02:28:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 1254 transitions. [2020-04-18 02:28:54,215 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 1254 transitions. Word has length 12 [2020-04-18 02:28:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,215 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 1254 transitions. [2020-04-18 02:28:54,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-04-18 02:28:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 1254 transitions. [2020-04-18 02:28:54,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 02:28:54,218 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,218 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,219 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1381595750, now seen corresponding path program 1 times [2020-04-18 02:28:54,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711762303] [2020-04-18 02:28:54,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711762303] [2020-04-18 02:28:54,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:54,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652430051] [2020-04-18 02:28:54,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:54,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:54,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:54,323 INFO L87 Difference]: Start difference. First operand 394 states and 1254 transitions. Second operand 4 states. [2020-04-18 02:28:54,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,364 INFO L93 Difference]: Finished difference Result 652 states and 1957 transitions. [2020-04-18 02:28:54,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:28:54,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-04-18 02:28:54,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,368 INFO L225 Difference]: With dead ends: 652 [2020-04-18 02:28:54,369 INFO L226 Difference]: Without dead ends: 340 [2020-04-18 02:28:54,369 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:28:54,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-04-18 02:28:54,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 304. [2020-04-18 02:28:54,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-04-18 02:28:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 891 transitions. [2020-04-18 02:28:54,384 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 891 transitions. Word has length 13 [2020-04-18 02:28:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,384 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 891 transitions. [2020-04-18 02:28:54,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:54,385 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 891 transitions. [2020-04-18 02:28:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-04-18 02:28:54,392 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,392 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,392 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1391724752, now seen corresponding path program 1 times [2020-04-18 02:28:54,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683069753] [2020-04-18 02:28:54,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683069753] [2020-04-18 02:28:54,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:54,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553964669] [2020-04-18 02:28:54,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:54,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:54,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:54,475 INFO L87 Difference]: Start difference. First operand 304 states and 891 transitions. Second operand 4 states. [2020-04-18 02:28:54,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,505 INFO L93 Difference]: Finished difference Result 406 states and 1128 transitions. [2020-04-18 02:28:54,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:54,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-04-18 02:28:54,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,508 INFO L225 Difference]: With dead ends: 406 [2020-04-18 02:28:54,508 INFO L226 Difference]: Without dead ends: 226 [2020-04-18 02:28:54,508 INFO L678 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 [2020-04-18 02:28:54,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-04-18 02:28:54,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-04-18 02:28:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-04-18 02:28:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 619 transitions. [2020-04-18 02:28:54,516 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 619 transitions. Word has length 13 [2020-04-18 02:28:54,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,516 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 619 transitions. [2020-04-18 02:28:54,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 619 transitions. [2020-04-18 02:28:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-04-18 02:28:54,518 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,518 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,518 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1162350155, now seen corresponding path program 1 times [2020-04-18 02:28:54,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229109933] [2020-04-18 02:28:54,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229109933] [2020-04-18 02:28:54,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-04-18 02:28:54,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866922224] [2020-04-18 02:28:54,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:54,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:54,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:54,580 INFO L87 Difference]: Start difference. First operand 226 states and 619 transitions. Second operand 4 states. [2020-04-18 02:28:54,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,630 INFO L93 Difference]: Finished difference Result 287 states and 728 transitions. [2020-04-18 02:28:54,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-04-18 02:28:54,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-04-18 02:28:54,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,633 INFO L225 Difference]: With dead ends: 287 [2020-04-18 02:28:54,633 INFO L226 Difference]: Without dead ends: 206 [2020-04-18 02:28:54,633 INFO L678 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 [2020-04-18 02:28:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-04-18 02:28:54,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-04-18 02:28:54,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-04-18 02:28:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 530 transitions. [2020-04-18 02:28:54,641 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 530 transitions. Word has length 14 [2020-04-18 02:28:54,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,641 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 530 transitions. [2020-04-18 02:28:54,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:54,641 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 530 transitions. [2020-04-18 02:28:54,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-04-18 02:28:54,642 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,642 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,643 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1647463604, now seen corresponding path program 1 times [2020-04-18 02:28:54,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,644 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724959946] [2020-04-18 02:28:54,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724959946] [2020-04-18 02:28:54,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:54,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872838541] [2020-04-18 02:28:54,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-04-18 02:28:54,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-04-18 02:28:54,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-04-18 02:28:54,698 INFO L87 Difference]: Start difference. First operand 206 states and 530 transitions. Second operand 5 states. [2020-04-18 02:28:54,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,747 INFO L93 Difference]: Finished difference Result 227 states and 530 transitions. [2020-04-18 02:28:54,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-04-18 02:28:54,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-04-18 02:28:54,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,749 INFO L225 Difference]: With dead ends: 227 [2020-04-18 02:28:54,749 INFO L226 Difference]: Without dead ends: 162 [2020-04-18 02:28:54,750 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:28:54,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-04-18 02:28:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-04-18 02:28:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-04-18 02:28:54,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 369 transitions. [2020-04-18 02:28:54,755 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 369 transitions. Word has length 15 [2020-04-18 02:28:54,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,756 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 369 transitions. [2020-04-18 02:28:54,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-04-18 02:28:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 369 transitions. [2020-04-18 02:28:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-04-18 02:28:54,757 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,757 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,757 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,757 INFO L82 PathProgramCache]: Analyzing trace with hash -469082430, now seen corresponding path program 1 times [2020-04-18 02:28:54,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919756293] [2020-04-18 02:28:54,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919756293] [2020-04-18 02:28:54,816 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-04-18 02:28:54,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18207430] [2020-04-18 02:28:54,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-04-18 02:28:54,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-04-18 02:28:54,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-04-18 02:28:54,818 INFO L87 Difference]: Start difference. First operand 162 states and 369 transitions. Second operand 6 states. [2020-04-18 02:28:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:54,886 INFO L93 Difference]: Finished difference Result 158 states and 337 transitions. [2020-04-18 02:28:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-04-18 02:28:54,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-04-18 02:28:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:54,888 INFO L225 Difference]: With dead ends: 158 [2020-04-18 02:28:54,888 INFO L226 Difference]: Without dead ends: 125 [2020-04-18 02:28:54,889 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:28:54,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-04-18 02:28:54,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-04-18 02:28:54,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-04-18 02:28:54,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 265 transitions. [2020-04-18 02:28:54,893 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 265 transitions. Word has length 16 [2020-04-18 02:28:54,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:54,894 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 265 transitions. [2020-04-18 02:28:54,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-04-18 02:28:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 265 transitions. [2020-04-18 02:28:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-04-18 02:28:54,895 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:54,895 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:54,895 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:54,896 INFO L82 PathProgramCache]: Analyzing trace with hash 483879941, now seen corresponding path program 1 times [2020-04-18 02:28:54,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:54,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914505574] [2020-04-18 02:28:54,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:54,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:54,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914505574] [2020-04-18 02:28:54,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:54,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-04-18 02:28:54,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744578620] [2020-04-18 02:28:54,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 02:28:54,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:54,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 02:28:54,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-04-18 02:28:54,987 INFO L87 Difference]: Start difference. First operand 125 states and 265 transitions. Second operand 7 states. [2020-04-18 02:28:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:55,060 INFO L93 Difference]: Finished difference Result 120 states and 253 transitions. [2020-04-18 02:28:55,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-04-18 02:28:55,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-04-18 02:28:55,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:55,061 INFO L225 Difference]: With dead ends: 120 [2020-04-18 02:28:55,062 INFO L226 Difference]: Without dead ends: 71 [2020-04-18 02:28:55,062 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-04-18 02:28:55,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-04-18 02:28:55,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-04-18 02:28:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-04-18 02:28:55,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-04-18 02:28:55,065 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 18 [2020-04-18 02:28:55,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:55,065 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-04-18 02:28:55,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 02:28:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-04-18 02:28:55,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-04-18 02:28:55,066 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 02:28:55,066 INFO L425 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 02:28:55,067 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 02:28:55,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 02:28:55,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1087350585, now seen corresponding path program 1 times [2020-04-18 02:28:55,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 02:28:55,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610412120] [2020-04-18 02:28:55,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 02:28:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 02:28:55,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-04-18 02:28:55,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610412120] [2020-04-18 02:28:55,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 02:28:55,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-04-18 02:28:55,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720999654] [2020-04-18 02:28:55,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-04-18 02:28:55,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-04-18 02:28:55,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-04-18 02:28:55,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-04-18 02:28:55,104 INFO L87 Difference]: Start difference. First operand 71 states and 143 transitions. Second operand 4 states. [2020-04-18 02:28:55,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 02:28:55,120 INFO L93 Difference]: Finished difference Result 70 states and 142 transitions. [2020-04-18 02:28:55,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-04-18 02:28:55,120 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-04-18 02:28:55,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 02:28:55,121 INFO L225 Difference]: With dead ends: 70 [2020-04-18 02:28:55,121 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 02:28:55,121 INFO L678 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 [2020-04-18 02:28:55,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 02:28:55,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 02:28:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 02:28:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 02:28:55,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-04-18 02:28:55,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 02:28:55,122 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 02:28:55,122 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-04-18 02:28:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 02:28:55,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 02:28:55,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 02:28:55 BasicIcfg [2020-04-18 02:28:55,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 02:28:55,129 INFO L168 Benchmark]: Toolchain (without parser) took 5291.56 ms. Allocated memory was 146.3 MB in the beginning and 247.5 MB in the end (delta: 101.2 MB). Free memory was 103.3 MB in the beginning and 89.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,130 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.95 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 160.9 MB in the end (delta: -59.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.62 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,132 INFO L168 Benchmark]: Boogie Preprocessor took 31.96 ms. Allocated memory is still 204.5 MB. Free memory was 158.9 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,133 INFO L168 Benchmark]: RCFGBuilder took 543.92 ms. Allocated memory is still 204.5 MB. Free memory was 157.5 MB in the beginning and 133.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,134 INFO L168 Benchmark]: TraceAbstraction took 3937.72 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 132.8 MB in the beginning and 89.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-04-18 02:28:55,138 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 702.95 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 160.9 MB in the end (delta: -59.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.62 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.96 ms. Allocated memory is still 204.5 MB. Free memory was 158.9 MB in the beginning and 157.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 543.92 ms. Allocated memory is still 204.5 MB. Free memory was 157.5 MB in the beginning and 133.5 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3937.72 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 132.8 MB in the beginning and 89.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 92 ProgramPointsBefore, 38 ProgramPointsAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 1822 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 944 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3093 CheckedPairsTotal, 65 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 5 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.0s, HoareTripleCheckerStatistics: 219 SDtfs, 238 SDslu, 326 SDs, 0 SdLazy, 185 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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, 10 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 5542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...