./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b685bacbbd5837a4875c8642768e5522c2d7b85 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:51:12,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:12,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:12,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:12,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:12,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:12,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:12,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:12,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:12,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:12,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:12,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:12,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:12,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:12,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:12,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:12,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:12,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:12,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:12,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:12,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:12,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:12,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:12,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:12,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:12,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:12,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:12,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:12,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:12,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:12,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:12,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:12,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:12,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:12,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:12,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:12,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:12,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:12,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:12,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:12,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:12,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:51:12,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:12,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:12,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:12,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:12,209 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:12,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:51:12,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:51:12,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:51:12,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:12,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:12,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:12,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:51:12,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:12,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:12,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:51:12,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:51:12,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:51:12,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:51:12,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b685bacbbd5837a4875c8642768e5522c2d7b85 [2019-11-25 08:51:12,394 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:12,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:12,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:12,415 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:12,415 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:12,417 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2019-11-25 08:51:12,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/data/069bb9ca5/934fdb3dec46475b84187aa474f4e443/FLAG28a3109e9 [2019-11-25 08:51:12,965 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:12,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2019-11-25 08:51:12,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/data/069bb9ca5/934fdb3dec46475b84187aa474f4e443/FLAG28a3109e9 [2019-11-25 08:51:13,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/data/069bb9ca5/934fdb3dec46475b84187aa474f4e443 [2019-11-25 08:51:13,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:13,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:13,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:13,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:13,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:13,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:13,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2b217b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13, skipping insertion in model container [2019-11-25 08:51:13,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:13,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:13,345 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:13,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:13,808 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:13,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:13,971 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:13,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13 WrapperNode [2019-11-25 08:51:13,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:13,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:13,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:13,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:13,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:13,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:14,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:14,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:14,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:14,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... [2019-11-25 08:51:14,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:14,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:14,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:14,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:14,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/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 [2019-11-25 08:51:14,135 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2019-11-25 08:51:14,136 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2019-11-25 08:51:14,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:51:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2019-11-25 08:51:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2019-11-25 08:51:14,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:51:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-25 08:51:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:51:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:51:14,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:51:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:14,142 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:51:14,609 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:14,609 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:51:14,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:14 BoogieIcfgContainer [2019-11-25 08:51:14,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:14,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:51:14,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:51:14,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:51:14,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:51:13" (1/3) ... [2019-11-25 08:51:14,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40aee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:14, skipping insertion in model container [2019-11-25 08:51:14,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:13" (2/3) ... [2019-11-25 08:51:14,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40aee1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:51:14, skipping insertion in model container [2019-11-25 08:51:14,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:14" (3/3) ... [2019-11-25 08:51:14,618 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2019-11-25 08:51:14,665 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,665 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,665 WARN L315 ript$VariableManager]: TermVariabe allocatorThread2of3ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,666 WARN L315 ript$VariableManager]: TermVariabe allocatorThread2of3ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,666 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,666 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,666 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,667 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,667 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,668 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,669 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,669 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,670 WARN L315 ript$VariableManager]: TermVariabe allocatorThread3of3ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,670 WARN L315 ript$VariableManager]: TermVariabe allocatorThread3of3ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,670 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,671 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,671 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,672 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,672 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of3ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of3ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,673 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,674 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,674 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,674 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,675 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,675 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,675 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,676 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,676 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of3ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,676 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of3ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,676 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,676 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,677 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,677 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,677 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,678 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,678 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread3of3ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,678 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread3of3ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,678 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,678 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,679 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,679 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,679 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,680 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,680 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread2of3ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,680 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread2of3ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,680 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,680 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,681 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,681 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:51:14,714 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:51:14,714 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:51:14,721 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-11-25 08:51:14,731 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-11-25 08:51:14,751 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:51:14,751 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:51:14,751 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:51:14,752 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:14,752 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:14,752 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:51:14,752 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:14,752 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:51:14,768 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 151 transitions [2019-11-25 08:51:14,855 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 786 states. [2019-11-25 08:51:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states. [2019-11-25 08:51:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-25 08:51:14,867 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:14,868 INFO L410 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] [2019-11-25 08:51:14,868 INFO L410 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:14,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1713079959, now seen corresponding path program 1 times [2019-11-25 08:51:14,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:14,883 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953639742] [2019-11-25 08:51:14,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:15,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953639742] [2019-11-25 08:51:15,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:15,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:15,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352103617] [2019-11-25 08:51:15,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:15,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:15,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,150 INFO L87 Difference]: Start difference. First operand 786 states. Second operand 3 states. [2019-11-25 08:51:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:15,210 INFO L93 Difference]: Finished difference Result 786 states and 1903 transitions. [2019-11-25 08:51:15,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:15,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-25 08:51:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:15,234 INFO L225 Difference]: With dead ends: 786 [2019-11-25 08:51:15,234 INFO L226 Difference]: Without dead ends: 705 [2019-11-25 08:51:15,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2019-11-25 08:51:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2019-11-25 08:51:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-11-25 08:51:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 1702 transitions. [2019-11-25 08:51:15,383 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 1702 transitions. Word has length 34 [2019-11-25 08:51:15,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:15,384 INFO L462 AbstractCegarLoop]: Abstraction has 705 states and 1702 transitions. [2019-11-25 08:51:15,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1702 transitions. [2019-11-25 08:51:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-25 08:51:15,394 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:15,395 INFO L410 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, 1] [2019-11-25 08:51:15,395 INFO L410 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:15,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:15,396 INFO L82 PathProgramCache]: Analyzing trace with hash 36547242, now seen corresponding path program 1 times [2019-11-25 08:51:15,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:15,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624088300] [2019-11-25 08:51:15,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:15,497 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624088300] [2019-11-25 08:51:15,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:15,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:15,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565255672] [2019-11-25 08:51:15,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:15,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:15,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:15,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,500 INFO L87 Difference]: Start difference. First operand 705 states and 1702 transitions. Second operand 3 states. [2019-11-25 08:51:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:15,525 INFO L93 Difference]: Finished difference Result 714 states and 1673 transitions. [2019-11-25 08:51:15,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:15,526 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-25 08:51:15,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:15,531 INFO L225 Difference]: With dead ends: 714 [2019-11-25 08:51:15,531 INFO L226 Difference]: Without dead ends: 612 [2019-11-25 08:51:15,532 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2019-11-25 08:51:15,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 567. [2019-11-25 08:51:15,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2019-11-25 08:51:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 1349 transitions. [2019-11-25 08:51:15,560 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 1349 transitions. Word has length 37 [2019-11-25 08:51:15,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:15,561 INFO L462 AbstractCegarLoop]: Abstraction has 567 states and 1349 transitions. [2019-11-25 08:51:15,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1349 transitions. [2019-11-25 08:51:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-25 08:51:15,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:15,564 INFO L410 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, 1, 1, 1] [2019-11-25 08:51:15,565 INFO L410 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:15,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:15,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1214798882, now seen corresponding path program 1 times [2019-11-25 08:51:15,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:15,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433746528] [2019-11-25 08:51:15,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:15,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:15,627 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433746528] [2019-11-25 08:51:15,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:15,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:15,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268095571] [2019-11-25 08:51:15,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:15,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:15,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:15,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,629 INFO L87 Difference]: Start difference. First operand 567 states and 1349 transitions. Second operand 3 states. [2019-11-25 08:51:15,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:15,663 INFO L93 Difference]: Finished difference Result 528 states and 1220 transitions. [2019-11-25 08:51:15,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:15,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-25 08:51:15,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:15,667 INFO L225 Difference]: With dead ends: 528 [2019-11-25 08:51:15,667 INFO L226 Difference]: Without dead ends: 363 [2019-11-25 08:51:15,667 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-11-25 08:51:15,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2019-11-25 08:51:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-11-25 08:51:15,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 787 transitions. [2019-11-25 08:51:15,680 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 787 transitions. Word has length 39 [2019-11-25 08:51:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:15,680 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 787 transitions. [2019-11-25 08:51:15,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:15,681 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 787 transitions. [2019-11-25 08:51:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-25 08:51:15,683 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:15,683 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:15,683 INFO L410 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:15,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:15,684 INFO L82 PathProgramCache]: Analyzing trace with hash -799141912, now seen corresponding path program 1 times [2019-11-25 08:51:15,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:15,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052775630] [2019-11-25 08:51:15,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:15,742 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052775630] [2019-11-25 08:51:15,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:15,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:51:15,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336635219] [2019-11-25 08:51:15,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:51:15,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:15,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:51:15,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,744 INFO L87 Difference]: Start difference. First operand 363 states and 787 transitions. Second operand 3 states. [2019-11-25 08:51:15,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:15,777 INFO L93 Difference]: Finished difference Result 363 states and 775 transitions. [2019-11-25 08:51:15,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:51:15,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-25 08:51:15,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:15,780 INFO L225 Difference]: With dead ends: 363 [2019-11-25 08:51:15,780 INFO L226 Difference]: Without dead ends: 303 [2019-11-25 08:51:15,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:51:15,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2019-11-25 08:51:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2019-11-25 08:51:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2019-11-25 08:51:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 635 transitions. [2019-11-25 08:51:15,793 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 635 transitions. Word has length 47 [2019-11-25 08:51:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:15,794 INFO L462 AbstractCegarLoop]: Abstraction has 303 states and 635 transitions. [2019-11-25 08:51:15,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:51:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 635 transitions. [2019-11-25 08:51:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-25 08:51:15,797 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:51:15,797 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:51:15,797 INFO L410 AbstractCegarLoop]: === Iteration 5 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:51:15,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:51:15,798 INFO L82 PathProgramCache]: Analyzing trace with hash -265988344, now seen corresponding path program 1 times [2019-11-25 08:51:15,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:51:15,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583209656] [2019-11-25 08:51:15,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:51:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:51:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:51:15,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583209656] [2019-11-25 08:51:15,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:51:15,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-25 08:51:15,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657521818] [2019-11-25 08:51:15,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-25 08:51:15,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:51:15,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-25 08:51:15,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-25 08:51:15,869 INFO L87 Difference]: Start difference. First operand 303 states and 635 transitions. Second operand 4 states. [2019-11-25 08:51:15,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:51:15,921 INFO L93 Difference]: Finished difference Result 150 states and 299 transitions. [2019-11-25 08:51:15,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:51:15,921 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-25 08:51:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:51:15,922 INFO L225 Difference]: With dead ends: 150 [2019-11-25 08:51:15,922 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:51:15,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:51:15,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:51:15,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:51:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:51:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:51:15,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2019-11-25 08:51:15,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:51:15,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:51:15,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-25 08:51:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:51:15,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:51:15,927 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:51:15,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:51:15 BasicIcfg [2019-11-25 08:51:15,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:51:15,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:15,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:15,930 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:15,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:14" (3/4) ... [2019-11-25 08:51:15,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:51:15,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2019-11-25 08:51:15,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2019-11-25 08:51:15,952 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 08:51:15,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:51:15,953 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:51:16,003 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4850161e-019d-45ff-90b2-3fe655b1fc22/bin/uautomizer/witness.graphml [2019-11-25 08:51:16,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:16,006 INFO L168 Benchmark]: Toolchain (without parser) took 2715.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.4 MB in the beginning and 977.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 137.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:16,007 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:16,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:16,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:16,010 INFO L168 Benchmark]: Boogie Preprocessor took 39.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:16,011 INFO L168 Benchmark]: RCFGBuilder took 554.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:16,012 INFO L168 Benchmark]: TraceAbstraction took 1317.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:16,015 INFO L168 Benchmark]: Witness Printer took 73.90 ms. Allocated memory is still 1.2 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:16,017 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -181.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 554.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1317.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 118.2 MB). Peak memory consumption was 118.2 MB. Max. memory is 11.5 GB. * Witness Printer took 73.90 ms. Allocated memory is still 1.2 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 161 locations, 8 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 343 SDtfs, 168 SDslu, 191 SDs, 0 SdLazy, 29 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=786occurred 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, 5 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 12527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...