/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-NoLbe-McrStrategy.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b981219 [2020-04-18 20:06:09,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-04-18 20:06:09,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-04-18 20:06:09,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-04-18 20:06:09,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-04-18 20:06:09,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-04-18 20:06:09,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-04-18 20:06:09,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-04-18 20:06:09,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-04-18 20:06:09,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-04-18 20:06:09,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-04-18 20:06:09,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-04-18 20:06:09,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-04-18 20:06:09,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-04-18 20:06:09,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-04-18 20:06:09,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-04-18 20:06:09,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-04-18 20:06:09,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-04-18 20:06:09,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-04-18 20:06:09,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-04-18 20:06:09,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-04-18 20:06:09,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-04-18 20:06:09,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-04-18 20:06:09,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-04-18 20:06:09,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-04-18 20:06:09,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-04-18 20:06:09,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-04-18 20:06:09,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-04-18 20:06:09,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-04-18 20:06:09,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-04-18 20:06:09,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-04-18 20:06:09,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-04-18 20:06:09,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-04-18 20:06:09,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-04-18 20:06:09,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-04-18 20:06:09,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-04-18 20:06:09,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-04-18 20:06:09,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-04-18 20:06:09,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-04-18 20:06:09,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-04-18 20:06:09,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-04-18 20:06:09,234 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-NoLbe-McrStrategy.epf [2020-04-18 20:06:09,262 INFO L113 SettingsManager]: Loading preferences was successful [2020-04-18 20:06:09,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-04-18 20:06:09,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-04-18 20:06:09,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-04-18 20:06:09,264 INFO L138 SettingsManager]: * Use SBE=true [2020-04-18 20:06:09,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-04-18 20:06:09,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-04-18 20:06:09,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-04-18 20:06:09,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-04-18 20:06:09,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-04-18 20:06:09,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-04-18 20:06:09,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-04-18 20:06:09,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-04-18 20:06:09,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-04-18 20:06:09,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-04-18 20:06:09,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-04-18 20:06:09,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-04-18 20:06:09,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-04-18 20:06:09,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-04-18 20:06:09,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-04-18 20:06:09,270 INFO L138 SettingsManager]: * Trace refinement strategy=MCR [2020-04-18 20:06:09,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-04-18 20:06:09,270 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-04-18 20:06:09,271 INFO L138 SettingsManager]: * Trace refinement strategy used in MCR=CAMEL [2020-04-18 20:06:09,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-04-18 20:06:09,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-04-18 20:06:09,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-04-18 20:06:09,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-04-18 20:06:09,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-04-18 20:06:09,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-04-18 20:06:09,591 INFO L275 PluginConnector]: CDTParser initialized [2020-04-18 20:06:09,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-04-18 20:06:09,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092e8352/e8edb5ec987e4de58f646087eca7b53d/FLAG95430c7d9 [2020-04-18 20:06:10,217 INFO L306 CDTParser]: Found 1 translation units. [2020-04-18 20:06:10,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2020-04-18 20:06:10,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092e8352/e8edb5ec987e4de58f646087eca7b53d/FLAG95430c7d9 [2020-04-18 20:06:10,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b092e8352/e8edb5ec987e4de58f646087eca7b53d [2020-04-18 20:06:10,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-04-18 20:06:10,528 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-04-18 20:06:10,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-04-18 20:06:10,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-04-18 20:06:10,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-04-18 20:06:10,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:06:10" (1/1) ... [2020-04-18 20:06:10,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bea890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:10, skipping insertion in model container [2020-04-18 20:06:10,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:06:10" (1/1) ... [2020-04-18 20:06:10,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-04-18 20:06:10,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-04-18 20:06:11,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:06:11,217 INFO L203 MainTranslator]: Completed pre-run [2020-04-18 20:06:11,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-04-18 20:06:11,375 INFO L208 MainTranslator]: Completed translation [2020-04-18 20:06:11,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11 WrapperNode [2020-04-18 20:06:11,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-04-18 20:06:11,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-04-18 20:06:11,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-04-18 20:06:11,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-04-18 20:06:11,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-04-18 20:06:11,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-04-18 20:06:11,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-04-18 20:06:11,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-04-18 20:06:11,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (1/1) ... [2020-04-18 20:06:11,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-04-18 20:06:11,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-04-18 20:06:11,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-04-18 20:06:11,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-04-18 20:06:11,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (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 20:06:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-04-18 20:06:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-04-18 20:06:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-04-18 20:06:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-04-18 20:06:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-04-18 20:06:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-04-18 20:06:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-04-18 20:06:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-04-18 20:06:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-04-18 20:06:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-04-18 20:06:11,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-04-18 20:06:11,550 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 20:06:11,899 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-04-18 20:06:11,899 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-04-18 20:06:11,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:06:11 BoogieIcfgContainer [2020-04-18 20:06:11,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-04-18 20:06:11,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-04-18 20:06:11,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-04-18 20:06:11,908 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-04-18 20:06:11,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:06:10" (1/3) ... [2020-04-18 20:06:11,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcd9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:06:11, skipping insertion in model container [2020-04-18 20:06:11,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:06:11" (2/3) ... [2020-04-18 20:06:11,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bcd9745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:06:11, skipping insertion in model container [2020-04-18 20:06:11,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:06:11" (3/3) ... [2020-04-18 20:06:11,912 INFO L109 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2020-04-18 20:06:11,924 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-04-18 20:06:11,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-04-18 20:06:11,931 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-04-18 20:06:11,932 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-04-18 20:06:11,961 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,962 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,962 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,962 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,963 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,963 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,964 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,964 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,964 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,965 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,965 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,965 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,969 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,969 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,969 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,970 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,974 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,975 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,975 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,975 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-04-18 20:06:11,988 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-04-18 20:06:12,008 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-04-18 20:06:12,009 INFO L376 AbstractCegarLoop]: Hoare is true [2020-04-18 20:06:12,010 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-04-18 20:06:12,010 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-04-18 20:06:12,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-04-18 20:06:12,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-04-18 20:06:12,010 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-04-18 20:06:12,010 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-04-18 20:06:12,028 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 56 transitions, 122 flow [2020-04-18 20:06:12,104 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1121 states. [2020-04-18 20:06:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states. [2020-04-18 20:06:12,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-04-18 20:06:12,124 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:06:12,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:06:12,126 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:06:12,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:12,132 INFO L82 PathProgramCache]: Analyzing trace with hash 441942769, now seen corresponding path program 1 times [2020-04-18 20:06:12,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:06:12,138 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1186738052] [2020-04-18 20:06:12,150 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:12,163 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 31 transitions. [2020-04-18 20:06:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-04-18 20:06:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-04-18 20:06:12,166 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:06:12,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:12,166 INFO L82 PathProgramCache]: Analyzing trace with hash 441942769, now seen corresponding path program 2 times [2020-04-18 20:06:12,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:12,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194872056] [2020-04-18 20:06:12,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:12,597 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 20:06:12,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194872056] [2020-04-18 20:06:12,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:12,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:12,601 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:12,604 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:12,613 INFO L259 McrAutomatonBuilder]: Finished intersection with 32 states and 31 transitions. [2020-04-18 20:06:12,613 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:12,709 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:06:12,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:12,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 20:06:12,715 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 7 states. [2020-04-18 20:06:12,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:12,804 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2020-04-18 20:06:12,804 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2020-04-18 20:06:12,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:06:12,805 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1186738052] [2020-04-18 20:06:12,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:06:12,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 20:06:12,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1186738052] [2020-04-18 20:06:12,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 20:06:12,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:06:12,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:12,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:06:12,814 INFO L87 Difference]: Start difference. First operand 1121 states. Second operand 7 states. [2020-04-18 20:06:12,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:12,976 INFO L93 Difference]: Finished difference Result 1513 states and 3945 transitions. [2020-04-18 20:06:12,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-04-18 20:06:12,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2020-04-18 20:06:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:06:13,004 INFO L225 Difference]: With dead ends: 1513 [2020-04-18 20:06:13,004 INFO L226 Difference]: Without dead ends: 596 [2020-04-18 20:06:13,009 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-04-18 20:06:13,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-04-18 20:06:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2020-04-18 20:06:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-04-18 20:06:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 1507 transitions. [2020-04-18 20:06:13,127 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 1507 transitions. Word has length 31 [2020-04-18 20:06:13,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:06:13,128 INFO L479 AbstractCegarLoop]: Abstraction has 596 states and 1507 transitions. [2020-04-18 20:06:13,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 20:06:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1507 transitions. [2020-04-18 20:06:13,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-04-18 20:06:13,136 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:06:13,136 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:06:13,137 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:06:13,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:13,138 INFO L82 PathProgramCache]: Analyzing trace with hash 256262898, now seen corresponding path program 1 times [2020-04-18 20:06:13,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:06:13,138 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1840730503] [2020-04-18 20:06:13,139 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:13,141 INFO L259 McrAutomatonBuilder]: Finished intersection with 66 states and 97 transitions. [2020-04-18 20:06:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-04-18 20:06:13,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-04-18 20:06:13,148 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:06:13,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:13,157 INFO L82 PathProgramCache]: Analyzing trace with hash 256262898, now seen corresponding path program 2 times [2020-04-18 20:06:13,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:13,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937629554] [2020-04-18 20:06:13,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:13,355 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 20:06:13,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937629554] [2020-04-18 20:06:13,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:13,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:13,356 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:13,359 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:13,364 INFO L259 McrAutomatonBuilder]: Finished intersection with 54 states and 73 transitions. [2020-04-18 20:06:13,364 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:13,408 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:06:13,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:13,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 20:06:13,409 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 7 states. [2020-04-18 20:06:13,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:13,486 INFO L93 Difference]: Finished difference Result 66 states and 97 transitions. [2020-04-18 20:06:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2020-04-18 20:06:13,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:06:13,487 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1840730503] [2020-04-18 20:06:13,488 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:06:13,488 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 20:06:13,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1840730503] [2020-04-18 20:06:13,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-04-18 20:06:13,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:06:13,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:13,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-04-18 20:06:13,490 INFO L87 Difference]: Start difference. First operand 596 states and 1507 transitions. Second operand 7 states. [2020-04-18 20:06:13,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:13,590 INFO L93 Difference]: Finished difference Result 676 states and 1686 transitions. [2020-04-18 20:06:13,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-04-18 20:06:13,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-04-18 20:06:13,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:06:13,594 INFO L225 Difference]: With dead ends: 676 [2020-04-18 20:06:13,594 INFO L226 Difference]: Without dead ends: 536 [2020-04-18 20:06:13,595 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-04-18 20:06:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-04-18 20:06:13,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2020-04-18 20:06:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-04-18 20:06:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 1339 transitions. [2020-04-18 20:06:13,612 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 1339 transitions. Word has length 33 [2020-04-18 20:06:13,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:06:13,613 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 1339 transitions. [2020-04-18 20:06:13,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-04-18 20:06:13,613 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1339 transitions. [2020-04-18 20:06:13,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 20:06:13,614 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:06:13,615 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:06:13,615 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:06:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:13,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1419898419, now seen corresponding path program 1 times [2020-04-18 20:06:13,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:06:13,616 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [297809438] [2020-04-18 20:06:13,617 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:13,619 INFO L259 McrAutomatonBuilder]: Finished intersection with 144 states and 299 transitions. [2020-04-18 20:06:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-04-18 20:06:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 20:06:13,621 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:06:13,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:13,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1455513139, now seen corresponding path program 2 times [2020-04-18 20:06:13,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:13,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890570004] [2020-04-18 20:06:13,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:13,787 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 20:06:13,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890570004] [2020-04-18 20:06:13,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:13,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:13,789 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:13,794 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:13,807 INFO L259 McrAutomatonBuilder]: Finished intersection with 87 states and 149 transitions. [2020-04-18 20:06:13,808 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:13,857 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:06:13,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:13,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 20:06:13,858 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 7 states. [2020-04-18 20:06:14,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:14,029 INFO L93 Difference]: Finished difference Result 162 states and 326 transitions. [2020-04-18 20:06:14,029 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2020-04-18 20:06:14,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-04-18 20:06:14,030 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:06:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:14,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1419898419, now seen corresponding path program 3 times [2020-04-18 20:06:14,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:14,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353999562] [2020-04-18 20:06:14,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:14,209 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 20:06:14,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353999562] [2020-04-18 20:06:14,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:14,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:14,211 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:14,216 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:14,227 INFO L259 McrAutomatonBuilder]: Finished intersection with 96 states and 179 transitions. [2020-04-18 20:06:14,228 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:14,514 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 14 times. [2020-04-18 20:06:14,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-04-18 20:06:14,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2020-04-18 20:06:14,515 INFO L87 Difference]: Start difference. First operand 162 states and 326 transitions. Second operand 16 states. [2020-04-18 20:06:14,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:14,807 INFO L93 Difference]: Finished difference Result 162 states and 326 transitions. [2020-04-18 20:06:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2020-04-18 20:06:14,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:06:14,809 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [297809438] [2020-04-18 20:06:14,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:06:14,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 20:06:14,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [297809438] [2020-04-18 20:06:14,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-04-18 20:06:14,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:06:14,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-04-18 20:06:14,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=584, Unknown=0, NotChecked=0, Total=812 [2020-04-18 20:06:14,811 INFO L87 Difference]: Start difference. First operand 536 states and 1339 transitions. Second operand 17 states. [2020-04-18 20:06:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:14,995 INFO L93 Difference]: Finished difference Result 746 states and 1852 transitions. [2020-04-18 20:06:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-04-18 20:06:14,996 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 35 [2020-04-18 20:06:14,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:06:14,999 INFO L225 Difference]: With dead ends: 746 [2020-04-18 20:06:14,999 INFO L226 Difference]: Without dead ends: 401 [2020-04-18 20:06:15,001 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=327, Invalid=729, Unknown=0, NotChecked=0, Total=1056 [2020-04-18 20:06:15,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-04-18 20:06:15,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2020-04-18 20:06:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-04-18 20:06:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 955 transitions. [2020-04-18 20:06:15,025 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 955 transitions. Word has length 35 [2020-04-18 20:06:15,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:06:15,028 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 955 transitions. [2020-04-18 20:06:15,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-04-18 20:06:15,028 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 955 transitions. [2020-04-18 20:06:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 20:06:15,031 INFO L417 BasicCegarLoop]: Found error trace [2020-04-18 20:06:15,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-04-18 20:06:15,032 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-04-18 20:06:15,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:15,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1552303459, now seen corresponding path program 1 times [2020-04-18 20:06:15,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy MCR [2020-04-18 20:06:15,033 INFO L354 FreeRefinementEngine]: Using trace check StrategyModuleMcr [1455527072] [2020-04-18 20:06:15,034 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:15,038 INFO L259 McrAutomatonBuilder]: Finished intersection with 187 states and 408 transitions. [2020-04-18 20:06:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2020-04-18 20:06:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 20:06:15,042 INFO L105 Mcr]: ---- MCR iteration 0 ---- [2020-04-18 20:06:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:15,043 INFO L82 PathProgramCache]: Analyzing trace with hash -2123736695, now seen corresponding path program 2 times [2020-04-18 20:06:15,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:15,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622951152] [2020-04-18 20:06:15,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:15,210 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 20:06:15,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622951152] [2020-04-18 20:06:15,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:15,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:15,212 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:15,215 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:15,225 INFO L259 McrAutomatonBuilder]: Finished intersection with 117 states and 220 transitions. [2020-04-18 20:06:15,225 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:15,268 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:06:15,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:15,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-04-18 20:06:15,269 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 7 states. [2020-04-18 20:06:15,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:15,385 INFO L93 Difference]: Finished difference Result 211 states and 446 transitions. [2020-04-18 20:06:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 446 transitions. [2020-04-18 20:06:15,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-04-18 20:06:15,386 INFO L105 Mcr]: ---- MCR iteration 1 ---- [2020-04-18 20:06:15,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-04-18 20:06:15,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1641479599, now seen corresponding path program 3 times [2020-04-18 20:06:15,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-04-18 20:06:15,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358549034] [2020-04-18 20:06:15,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-04-18 20:06:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-04-18 20:06:15,478 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 20:06:15,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358549034] [2020-04-18 20:06:15,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-04-18 20:06:15,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-04-18 20:06:15,480 INFO L201 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-04-18 20:06:15,482 INFO L256 McrAutomatonBuilder]: Started intersection. [2020-04-18 20:06:15,490 INFO L259 McrAutomatonBuilder]: Finished intersection with 100 states and 180 transitions. [2020-04-18 20:06:15,490 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton. [2020-04-18 20:06:15,515 INFO L356 McrAutomatonBuilder]: Construction finished. Needed to calculate wp 0 times. [2020-04-18 20:06:15,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-04-18 20:06:15,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2020-04-18 20:06:15,516 INFO L87 Difference]: Start difference. First operand 211 states and 446 transitions. Second operand 7 states. [2020-04-18 20:06:15,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:15,602 INFO L93 Difference]: Finished difference Result 211 states and 446 transitions. [2020-04-18 20:06:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 446 transitions. [2020-04-18 20:06:15,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:06:15,603 INFO L354 FreeRefinementEngine]: Using interpolant generator StrategyModuleMcr [1455527072] [2020-04-18 20:06:15,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-04-18 20:06:15,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-04-18 20:06:15,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder StrategyModuleMcr [1455527072] [2020-04-18 20:06:15,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-04-18 20:06:15,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy MCR [2020-04-18 20:06:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-04-18 20:06:15,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-04-18 20:06:15,605 INFO L87 Difference]: Start difference. First operand 401 states and 955 transitions. Second operand 9 states. [2020-04-18 20:06:15,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-04-18 20:06:15,719 INFO L93 Difference]: Finished difference Result 361 states and 853 transitions. [2020-04-18 20:06:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-04-18 20:06:15,719 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 36 [2020-04-18 20:06:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-04-18 20:06:15,720 INFO L225 Difference]: With dead ends: 361 [2020-04-18 20:06:15,720 INFO L226 Difference]: Without dead ends: 0 [2020-04-18 20:06:15,721 INFO L678 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=377, Unknown=0, NotChecked=0, Total=506 [2020-04-18 20:06:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-04-18 20:06:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-04-18 20:06:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-04-18 20:06:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-04-18 20:06:15,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2020-04-18 20:06:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-04-18 20:06:15,722 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-04-18 20:06:15,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-04-18 20:06:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-04-18 20:06:15,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-04-18 20:06:15,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:06:15 BasicIcfg [2020-04-18 20:06:15,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-04-18 20:06:15,730 INFO L168 Benchmark]: Toolchain (without parser) took 5224.32 ms. Allocated memory was 136.3 MB in the beginning and 253.8 MB in the end (delta: 117.4 MB). Free memory was 99.7 MB in the beginning and 116.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 100.9 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,731 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.63 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 97.6 MB in the beginning and 157.6 MB in the end (delta: -59.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,733 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.67 ms. Allocated memory is still 200.8 MB. Free memory was 157.6 MB in the beginning and 155.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,734 INFO L168 Benchmark]: Boogie Preprocessor took 29.86 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 154.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,734 INFO L168 Benchmark]: RCFGBuilder took 426.18 ms. Allocated memory is still 200.8 MB. Free memory was 154.0 MB in the beginning and 133.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,735 INFO L168 Benchmark]: TraceAbstraction took 3822.79 ms. Allocated memory was 200.8 MB in the beginning and 253.8 MB in the end (delta: 53.0 MB). Free memory was 133.9 MB in the beginning and 116.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. [2020-04-18 20:06:15,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 846.63 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 97.6 MB in the beginning and 157.6 MB in the end (delta: -59.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.67 ms. Allocated memory is still 200.8 MB. Free memory was 157.6 MB in the beginning and 155.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.86 ms. Allocated memory is still 200.8 MB. Free memory was 155.5 MB in the beginning and 154.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 426.18 ms. Allocated memory is still 200.8 MB. Free memory was 154.0 MB in the beginning and 133.9 MB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3822.79 ms. Allocated memory was 200.8 MB in the beginning and 253.8 MB in the end (delta: 53.0 MB). Free memory was 133.9 MB in the beginning and 116.2 MB in the end (delta: 17.7 MB). Peak memory consumption was 70.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 766 SDslu, 1132 SDs, 0 SdLazy, 154 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1121occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...