/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/safe035_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:09:17,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:09:17,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:09:17,173 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:09:17,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:09:17,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:09:17,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:09:17,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:09:17,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:09:17,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:09:17,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:09:17,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:09:17,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:09:17,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:09:17,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:09:17,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:09:17,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:09:17,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:09:17,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:09:17,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:09:17,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:09:17,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:09:17,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:09:17,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:09:17,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 23:09:17,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 23:09:17,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 23:09:17,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 23:09:17,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 23:09:17,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 23:09:17,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:09:17,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:09:17,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:09:17,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:09:17,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:09:17,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:09:17,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:09:17,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:09:17,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:09:17,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:09:17,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:09:17,234 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-VariableLbe.epf [2019-12-18 23:09:17,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:09:17,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:09:17,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:09:17,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:09:17,259 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:09:17,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:09:17,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:09:17,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:09:17,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:09:17,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:09:17,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:09:17,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:09:17,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:09:17,262 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:09:17,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:09:17,263 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:09:17,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:09:17,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:09:17,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:09:17,264 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:09:17,264 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:09:17,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:09:17,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:09:17,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:09:17,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:09:17,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:09:17,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:09:17,266 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 23:09:17,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:09:17,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:09:17,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:09:17,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:09:17,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:09:17,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:09:17,578 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:09:17,579 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i [2019-12-18 23:09:17,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab0c373b/1fb430da3fb141a6ba62c8f3d56cf971/FLAGefb033012 [2019-12-18 23:09:18,191 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:09:18,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.oepc.i [2019-12-18 23:09:18,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab0c373b/1fb430da3fb141a6ba62c8f3d56cf971/FLAGefb033012 [2019-12-18 23:09:18,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ab0c373b/1fb430da3fb141a6ba62c8f3d56cf971 [2019-12-18 23:09:18,490 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:09:18,492 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:09:18,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:09:18,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:09:18,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:09:18,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:09:18" (1/1) ... [2019-12-18 23:09:18,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2908c1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:18, skipping insertion in model container [2019-12-18 23:09:18,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:09:18" (1/1) ... [2019-12-18 23:09:18,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:09:18,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:09:19,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:09:19,122 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:09:19,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:09:19,258 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:09:19,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19 WrapperNode [2019-12-18 23:09:19,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:09:19,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:09:19,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:09:19,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:09:19,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:09:19,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:09:19,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:09:19,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:09:19,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (1/1) ... [2019-12-18 23:09:19,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:09:19,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:09:19,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:09:19,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:09:19,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (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 [2019-12-18 23:09:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 23:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 23:09:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 23:09:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 23:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 23:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 23:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 23:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 23:09:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:09:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:09:19,406 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:09:19,791 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:09:19,791 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 23:09:19,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:09:19 BoogieIcfgContainer [2019-12-18 23:09:19,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:09:19,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:09:19,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:09:19,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:09:19,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:09:18" (1/3) ... [2019-12-18 23:09:19,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c5e3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:09:19, skipping insertion in model container [2019-12-18 23:09:19,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:09:19" (2/3) ... [2019-12-18 23:09:19,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c5e3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:09:19, skipping insertion in model container [2019-12-18 23:09:19,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:09:19" (3/3) ... [2019-12-18 23:09:19,801 INFO L109 eAbstractionObserver]: Analyzing ICFG safe035_pso.oepc.i [2019-12-18 23:09:19,810 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:09:19,810 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:09:19,818 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:09:19,819 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:09:19,848 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,848 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,849 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,849 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,850 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,850 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,851 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,851 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,851 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,852 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,852 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,852 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,852 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,853 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,853 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,853 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,854 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,858 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,858 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,859 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,859 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,869 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,869 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,870 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,870 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,872 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,872 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,873 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,873 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:09:19,887 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-18 23:09:19,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:09:19,904 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:09:19,904 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:09:19,904 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:09:19,904 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:09:19,904 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:09:19,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:09:19,905 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:09:19,917 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 54 transitions [2019-12-18 23:09:19,920 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-18 23:09:19,961 INFO L126 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-18 23:09:19,961 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:09:19,970 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-18 23:09:19,975 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 63 places, 54 transitions [2019-12-18 23:09:20,000 INFO L126 PetriNetUnfolder]: 1/51 cut-off events. [2019-12-18 23:09:20,002 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:09:20,005 INFO L76 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs. 9/58 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2019-12-18 23:09:20,009 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 450 [2019-12-18 23:09:20,011 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:09:21,570 INFO L206 etLargeBlockEncoding]: Checked pairs total: 429 [2019-12-18 23:09:21,571 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2019-12-18 23:09:21,574 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 15 transitions [2019-12-18 23:09:21,583 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 46 states. [2019-12-18 23:09:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-12-18 23:09:21,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-18 23:09:21,594 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:21,595 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:21,596 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:21,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:21,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1861325362, now seen corresponding path program 1 times [2019-12-18 23:09:21,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:21,611 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468892905] [2019-12-18 23:09:21,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:21,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:21,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468892905] [2019-12-18 23:09:21,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:21,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:09:21,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312789487] [2019-12-18 23:09:21,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:09:21,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:21,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:09:21,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:09:21,914 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2019-12-18 23:09:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:21,958 INFO L93 Difference]: Finished difference Result 44 states and 89 transitions. [2019-12-18 23:09:21,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:09:21,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-18 23:09:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:21,987 INFO L225 Difference]: With dead ends: 44 [2019-12-18 23:09:21,987 INFO L226 Difference]: Without dead ends: 36 [2019-12-18 23:09:21,992 INFO L631 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 [2019-12-18 23:09:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-18 23:09:22,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-12-18 23:09:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-12-18 23:09:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 69 transitions. [2019-12-18 23:09:22,032 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 69 transitions. Word has length 8 [2019-12-18 23:09:22,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,033 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 69 transitions. [2019-12-18 23:09:22,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:09:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2019-12-18 23:09:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:09:22,035 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,035 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,035 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1727732260, now seen corresponding path program 1 times [2019-12-18 23:09:22,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419059098] [2019-12-18 23:09:22,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419059098] [2019-12-18 23:09:22,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:09:22,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447973562] [2019-12-18 23:09:22,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:09:22,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:09:22,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:09:22,120 INFO L87 Difference]: Start difference. First operand 36 states and 69 transitions. Second operand 3 states. [2019-12-18 23:09:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,137 INFO L93 Difference]: Finished difference Result 34 states and 64 transitions. [2019-12-18 23:09:22,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:09:22,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 23:09:22,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,140 INFO L225 Difference]: With dead ends: 34 [2019-12-18 23:09:22,140 INFO L226 Difference]: Without dead ends: 34 [2019-12-18 23:09:22,141 INFO L631 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 [2019-12-18 23:09:22,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-12-18 23:09:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2019-12-18 23:09:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2019-12-18 23:09:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 64 transitions. [2019-12-18 23:09:22,149 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 64 transitions. Word has length 9 [2019-12-18 23:09:22,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,149 INFO L462 AbstractCegarLoop]: Abstraction has 34 states and 64 transitions. [2019-12-18 23:09:22,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:09:22,150 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2019-12-18 23:09:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-18 23:09:22,152 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,152 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,152 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1866511351, now seen corresponding path program 1 times [2019-12-18 23:09:22,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785942890] [2019-12-18 23:09:22,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785942890] [2019-12-18 23:09:22,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:09:22,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85323075] [2019-12-18 23:09:22,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:09:22,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:09:22,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:09:22,248 INFO L87 Difference]: Start difference. First operand 34 states and 64 transitions. Second operand 3 states. [2019-12-18 23:09:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,265 INFO L93 Difference]: Finished difference Result 36 states and 63 transitions. [2019-12-18 23:09:22,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:09:22,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-12-18 23:09:22,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,266 INFO L225 Difference]: With dead ends: 36 [2019-12-18 23:09:22,266 INFO L226 Difference]: Without dead ends: 22 [2019-12-18 23:09:22,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:09:22,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-12-18 23:09:22,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-12-18 23:09:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-12-18 23:09:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2019-12-18 23:09:22,271 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 33 transitions. Word has length 9 [2019-12-18 23:09:22,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,271 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 33 transitions. [2019-12-18 23:09:22,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:09:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2019-12-18 23:09:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 23:09:22,272 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,272 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,273 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,273 INFO L82 PathProgramCache]: Analyzing trace with hash 2027276793, now seen corresponding path program 1 times [2019-12-18 23:09:22,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148162973] [2019-12-18 23:09:22,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148162973] [2019-12-18 23:09:22,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:09:22,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718579491] [2019-12-18 23:09:22,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 23:09:22,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 23:09:22,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-18 23:09:22,422 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. Second operand 5 states. [2019-12-18 23:09:22,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,473 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2019-12-18 23:09:22,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 23:09:22,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-18 23:09:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,475 INFO L225 Difference]: With dead ends: 25 [2019-12-18 23:09:22,475 INFO L226 Difference]: Without dead ends: 19 [2019-12-18 23:09:22,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-18 23:09:22,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-18 23:09:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-18 23:09:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-18 23:09:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2019-12-18 23:09:22,479 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 10 [2019-12-18 23:09:22,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,479 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2019-12-18 23:09:22,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 23:09:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-12-18 23:09:22,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 23:09:22,481 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,481 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,481 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,482 INFO L82 PathProgramCache]: Analyzing trace with hash 2029948683, now seen corresponding path program 2 times [2019-12-18 23:09:22,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389839161] [2019-12-18 23:09:22,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,589 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389839161] [2019-12-18 23:09:22,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 23:09:22,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218040924] [2019-12-18 23:09:22,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 23:09:22,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 23:09:22,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-18 23:09:22,591 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand 6 states. [2019-12-18 23:09:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,670 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-18 23:09:22,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 23:09:22,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-18 23:09:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,672 INFO L225 Difference]: With dead ends: 19 [2019-12-18 23:09:22,672 INFO L226 Difference]: Without dead ends: 16 [2019-12-18 23:09:22,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-18 23:09:22,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-18 23:09:22,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-18 23:09:22,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-18 23:09:22,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-12-18 23:09:22,677 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 10 [2019-12-18 23:09:22,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,677 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-12-18 23:09:22,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 23:09:22,678 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2019-12-18 23:09:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 23:09:22,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,678 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,679 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1498585343, now seen corresponding path program 1 times [2019-12-18 23:09:22,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431579982] [2019-12-18 23:09:22,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431579982] [2019-12-18 23:09:22,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:09:22,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41373457] [2019-12-18 23:09:22,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:09:22,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:09:22,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:09:22,731 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand 4 states. [2019-12-18 23:09:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,748 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-12-18 23:09:22,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:09:22,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 23:09:22,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,749 INFO L225 Difference]: With dead ends: 18 [2019-12-18 23:09:22,750 INFO L226 Difference]: Without dead ends: 12 [2019-12-18 23:09:22,750 INFO L631 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 [2019-12-18 23:09:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-12-18 23:09:22,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-12-18 23:09:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-12-18 23:09:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-12-18 23:09:22,752 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 11 [2019-12-18 23:09:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,753 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-12-18 23:09:22,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:09:22,753 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-12-18 23:09:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 23:09:22,753 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:09:22,754 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:09:22,754 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:09:22,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:09:22,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1496019473, now seen corresponding path program 2 times [2019-12-18 23:09:22,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:09:22,755 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 23:09:22,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:09:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:09:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:09:22,799 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786005868] [2019-12-18 23:09:22,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:09:22,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 23:09:22,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884167303] [2019-12-18 23:09:22,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:09:22,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:09:22,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:09:22,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:09:22,801 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 4 states. [2019-12-18 23:09:22,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:09:22,808 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2019-12-18 23:09:22,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:09:22,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 23:09:22,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:09:22,809 INFO L225 Difference]: With dead ends: 11 [2019-12-18 23:09:22,809 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 23:09:22,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:09:22,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 23:09:22,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 23:09:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 23:09:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 23:09:22,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-12-18 23:09:22,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:09:22,811 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 23:09:22,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:09:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 23:09:22,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 23:09:22,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:09:22 BasicIcfg [2019-12-18 23:09:22,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:09:22,818 INFO L168 Benchmark]: Toolchain (without parser) took 4326.01 ms. Allocated memory was 142.6 MB in the beginning and 250.6 MB in the end (delta: 108.0 MB). Free memory was 99.2 MB in the beginning and 130.8 MB in the end (delta: -31.6 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,819 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.98 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 98.9 MB in the beginning and 158.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.15 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 156.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,822 INFO L168 Benchmark]: Boogie Preprocessor took 28.64 ms. Allocated memory is still 201.3 MB. Free memory was 156.5 MB in the beginning and 155.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,822 INFO L168 Benchmark]: RCFGBuilder took 454.49 ms. Allocated memory is still 201.3 MB. Free memory was 155.1 MB in the beginning and 134.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,824 INFO L168 Benchmark]: TraceAbstraction took 3021.10 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 134.3 MB in the beginning and 130.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. [2019-12-18 23:09:22,828 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 766.98 ms. Allocated memory was 142.6 MB in the beginning and 201.3 MB in the end (delta: 58.7 MB). Free memory was 98.9 MB in the beginning and 158.6 MB in the end (delta: -59.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.15 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 156.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.64 ms. Allocated memory is still 201.3 MB. Free memory was 156.5 MB in the beginning and 155.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 454.49 ms. Allocated memory is still 201.3 MB. Free memory was 155.1 MB in the beginning and 134.3 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3021.10 ms. Allocated memory was 201.3 MB in the beginning and 250.6 MB in the end (delta: 49.3 MB). Free memory was 134.3 MB in the beginning and 130.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 52.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 63 ProgramPointsBefore, 21 ProgramPointsAfterwards, 54 TransitionsBefore, 15 TransitionsAfterwards, 450 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 223 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 429 CheckedPairsTotal, 46 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 35 SDslu, 46 SDs, 0 SdLazy, 57 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 1586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...