./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/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 0.1.24-678e011 [2019-11-20 09:10:05,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:10:05,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:10:05,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:10:05,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:10:05,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:10:05,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:10:05,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:10:05,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:10:05,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:10:05,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:10:05,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:10:05,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:10:05,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:10:05,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:10:05,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:10:05,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:10:05,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:10:05,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:10:05,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:10:05,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:10:05,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:10:05,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:10:05,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:10:05,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:10:05,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:10:05,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:10:05,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:10:05,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:10:05,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:10:05,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:10:05,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:10:05,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:10:05,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:10:05,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:10:05,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:10:05,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:10:05,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:10:05,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:10:05,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:10:05,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:10:05,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 09:10:05,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:10:05,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:10:05,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:10:05,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:10:05,212 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:10:05,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:10:05,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:10:05,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:10:05,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:10:05,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:10:05,214 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:10:05,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:10:05,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:10:05,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:10:05,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:10:05,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 09:10:05,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 09:10:05,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:10:05,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:10:05,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:10:05,216 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:10:05,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:10:05,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:10:05,216 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_a11abfe2-a68c-4c6a-9105-0c5fedb03797/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 [2019-11-20 09:10:05,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:10:05,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:10:05,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:10:05,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:10:05,398 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:10:05,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/../../sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2019-11-20 09:10:05,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/data/1c20fde03/a0a514f07992494aa87eaf387bdca31b/FLAG087f79110 [2019-11-20 09:10:05,917 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:10:05,918 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/sv-benchmarks/c/pthread-atomic/time_var_mutex.i [2019-11-20 09:10:05,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/data/1c20fde03/a0a514f07992494aa87eaf387bdca31b/FLAG087f79110 [2019-11-20 09:10:06,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/data/1c20fde03/a0a514f07992494aa87eaf387bdca31b [2019-11-20 09:10:06,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:10:06,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:10:06,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:06,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:10:06,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:10:06,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:06,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06, skipping insertion in model container [2019-11-20 09:10:06,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:06,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:10:06,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:10:06,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:06,808 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:10:06,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:10:06,948 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:10:06,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06 WrapperNode [2019-11-20 09:10:06,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:10:06,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:06,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:10:06,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:10:06,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:06,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:06,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:10:06,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:10:06,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:10:06,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:10:06,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... [2019-11-20 09:10:07,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:10:07,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:10:07,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:10:07,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:10:07,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/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 [2019-11-20 09:10:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2019-11-20 09:10:07,074 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2019-11-20 09:10:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:10:07,074 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2019-11-20 09:10:07,075 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2019-11-20 09:10:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:10:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-20 09:10:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:10:07,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:10:07,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 09:10:07,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:10:07,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:10:07,080 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-20 09:10:07,506 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:10:07,506 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 09:10:07,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:07 BoogieIcfgContainer [2019-11-20 09:10:07,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:10:07,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 09:10:07,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 09:10:07,511 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 09:10:07,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:10:06" (1/3) ... [2019-11-20 09:10:07,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad6845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:07, skipping insertion in model container [2019-11-20 09:10:07,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:10:06" (2/3) ... [2019-11-20 09:10:07,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad6845f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:10:07, skipping insertion in model container [2019-11-20 09:10:07,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:07" (3/3) ... [2019-11-20 09:10:07,514 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2019-11-20 09:10:07,553 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,553 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,554 WARN L315 ript$VariableManager]: TermVariabe allocatorThread3of3ForFork4_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,554 WARN L315 ript$VariableManager]: TermVariabe allocatorThread3of3ForFork4_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,554 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,554 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,555 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,555 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,555 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,556 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread3of3ForFork4_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,557 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,557 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,557 WARN L315 ript$VariableManager]: TermVariabe allocatorThread2of3ForFork2_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,557 WARN L315 ript$VariableManager]: TermVariabe allocatorThread2of3ForFork2_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,558 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,558 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,558 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,559 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,559 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,559 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread2of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,560 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,560 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,560 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of3ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,560 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of3ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,561 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,561 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,561 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,561 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,562 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,562 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,563 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,563 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,563 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of3ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,563 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of3ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,564 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,564 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,564 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,565 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,565 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,565 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,566 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread2of3ForFork3_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,566 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread2of3ForFork3_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,566 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,566 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,567 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,567 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread2of3ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,567 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,568 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,568 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread3of3ForFork5_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,568 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread3of3ForFork5_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,568 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,569 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,569 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,569 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread3of3ForFork5_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 09:10:07,604 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 09:10:07,604 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 09:10:07,611 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-11-20 09:10:07,621 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-11-20 09:10:07,639 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 09:10:07,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 09:10:07,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 09:10:07,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:10:07,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:10:07,640 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 09:10:07,640 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:10:07,640 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 09:10:07,653 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 144 places, 151 transitions [2019-11-20 09:10:08,068 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5958 states. [2019-11-20 09:10:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states. [2019-11-20 09:10:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 09:10:08,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:08,095 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] [2019-11-20 09:10:08,096 INFO L410 AbstractCegarLoop]: === Iteration 1 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1237285901, now seen corresponding path program 1 times [2019-11-20 09:10:08,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:08,111 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381265855] [2019-11-20 09:10:08,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:08,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381265855] [2019-11-20 09:10:08,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:08,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:10:08,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979358132] [2019-11-20 09:10:08,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:10:08,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:08,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:10:08,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:10:08,420 INFO L87 Difference]: Start difference. First operand 5958 states. Second operand 3 states. [2019-11-20 09:10:08,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:08,544 INFO L93 Difference]: Finished difference Result 5958 states and 15493 transitions. [2019-11-20 09:10:08,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:10:08,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-20 09:10:08,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:08,604 INFO L225 Difference]: With dead ends: 5958 [2019-11-20 09:10:08,604 INFO L226 Difference]: Without dead ends: 5445 [2019-11-20 09:10:08,609 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 [2019-11-20 09:10:08,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2019-11-20 09:10:08,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5445. [2019-11-20 09:10:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5445 states. [2019-11-20 09:10:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 5445 states and 14018 transitions. [2019-11-20 09:10:08,941 INFO L78 Accepts]: Start accepts. Automaton has 5445 states and 14018 transitions. Word has length 34 [2019-11-20 09:10:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:08,942 INFO L462 AbstractCegarLoop]: Abstraction has 5445 states and 14018 transitions. [2019-11-20 09:10:08,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:10:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 5445 states and 14018 transitions. [2019-11-20 09:10:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 09:10:08,945 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:08,945 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] [2019-11-20 09:10:08,946 INFO L410 AbstractCegarLoop]: === Iteration 2 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:08,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:08,946 INFO L82 PathProgramCache]: Analyzing trace with hash -926221865, now seen corresponding path program 1 times [2019-11-20 09:10:08,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:08,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769369812] [2019-11-20 09:10:08,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:08,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:08,998 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769369812] [2019-11-20 09:10:08,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:08,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:10:08,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113383697] [2019-11-20 09:10:09,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:10:09,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:09,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:10:09,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:10:09,001 INFO L87 Difference]: Start difference. First operand 5445 states and 14018 transitions. Second operand 3 states. [2019-11-20 09:10:09,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:09,135 INFO L93 Difference]: Finished difference Result 5454 states and 13673 transitions. [2019-11-20 09:10:09,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:10:09,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-11-20 09:10:09,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:09,168 INFO L225 Difference]: With dead ends: 5454 [2019-11-20 09:10:09,168 INFO L226 Difference]: Without dead ends: 4716 [2019-11-20 09:10:09,169 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 [2019-11-20 09:10:09,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4716 states. [2019-11-20 09:10:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4716 to 4365. [2019-11-20 09:10:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4365 states. [2019-11-20 09:10:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 11111 transitions. [2019-11-20 09:10:09,430 INFO L78 Accepts]: Start accepts. Automaton has 4365 states and 11111 transitions. Word has length 37 [2019-11-20 09:10:09,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:09,432 INFO L462 AbstractCegarLoop]: Abstraction has 4365 states and 11111 transitions. [2019-11-20 09:10:09,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:10:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand 4365 states and 11111 transitions. [2019-11-20 09:10:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 09:10:09,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:09,438 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] [2019-11-20 09:10:09,439 INFO L410 AbstractCegarLoop]: === Iteration 3 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:09,440 INFO L82 PathProgramCache]: Analyzing trace with hash 855271646, now seen corresponding path program 1 times [2019-11-20 09:10:09,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:09,440 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983897593] [2019-11-20 09:10:09,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:09,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983897593] [2019-11-20 09:10:09,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:09,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:10:09,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673190255] [2019-11-20 09:10:09,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:10:09,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:09,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:10:09,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:10:09,525 INFO L87 Difference]: Start difference. First operand 4365 states and 11111 transitions. Second operand 3 states. [2019-11-20 09:10:09,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:09,593 INFO L93 Difference]: Finished difference Result 4032 states and 9998 transitions. [2019-11-20 09:10:09,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:10:09,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2019-11-20 09:10:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:09,611 INFO L225 Difference]: With dead ends: 4032 [2019-11-20 09:10:09,611 INFO L226 Difference]: Without dead ends: 2745 [2019-11-20 09:10:09,612 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 [2019-11-20 09:10:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2745 states. [2019-11-20 09:10:09,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2745 to 2745. [2019-11-20 09:10:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2745 states. [2019-11-20 09:10:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 6413 transitions. [2019-11-20 09:10:09,696 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 6413 transitions. Word has length 39 [2019-11-20 09:10:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:09,697 INFO L462 AbstractCegarLoop]: Abstraction has 2745 states and 6413 transitions. [2019-11-20 09:10:09,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:10:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 6413 transitions. [2019-11-20 09:10:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 09:10:09,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:09,703 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] [2019-11-20 09:10:09,703 INFO L410 AbstractCegarLoop]: === Iteration 4 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:09,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:09,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1841078901, now seen corresponding path program 1 times [2019-11-20 09:10:09,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:09,704 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013908107] [2019-11-20 09:10:09,704 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:09,752 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013908107] [2019-11-20 09:10:09,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:09,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:10:09,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602113416] [2019-11-20 09:10:09,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 09:10:09,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:09,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:10:09,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:10:09,754 INFO L87 Difference]: Start difference. First operand 2745 states and 6413 transitions. Second operand 3 states. [2019-11-20 09:10:09,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:09,790 INFO L93 Difference]: Finished difference Result 2745 states and 6305 transitions. [2019-11-20 09:10:09,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:10:09,790 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-20 09:10:09,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:09,804 INFO L225 Difference]: With dead ends: 2745 [2019-11-20 09:10:09,804 INFO L226 Difference]: Without dead ends: 2277 [2019-11-20 09:10:09,804 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 [2019-11-20 09:10:09,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2019-11-20 09:10:09,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2277. [2019-11-20 09:10:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2277 states. [2019-11-20 09:10:09,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 2277 states and 5165 transitions. [2019-11-20 09:10:09,871 INFO L78 Accepts]: Start accepts. Automaton has 2277 states and 5165 transitions. Word has length 47 [2019-11-20 09:10:09,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:09,872 INFO L462 AbstractCegarLoop]: Abstraction has 2277 states and 5165 transitions. [2019-11-20 09:10:09,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 09:10:09,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 5165 transitions. [2019-11-20 09:10:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 09:10:09,876 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 09:10:09,876 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] [2019-11-20 09:10:09,876 INFO L410 AbstractCegarLoop]: === Iteration 5 === [allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 09:10:09,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:10:09,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1327456565, now seen corresponding path program 1 times [2019-11-20 09:10:09,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:10:09,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775693584] [2019-11-20 09:10:09,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:10:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:10:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:10:09,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775693584] [2019-11-20 09:10:09,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:10:09,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 09:10:09,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228932003] [2019-11-20 09:10:09,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 09:10:09,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:10:09,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 09:10:09,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 09:10:09,933 INFO L87 Difference]: Start difference. First operand 2277 states and 5165 transitions. Second operand 4 states. [2019-11-20 09:10:09,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:10:09,999 INFO L93 Difference]: Finished difference Result 1008 states and 2285 transitions. [2019-11-20 09:10:10,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 09:10:10,000 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-11-20 09:10:10,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 09:10:10,001 INFO L225 Difference]: With dead ends: 1008 [2019-11-20 09:10:10,001 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 09:10:10,001 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 [2019-11-20 09:10:10,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 09:10:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 09:10:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 09:10:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 09:10:10,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2019-11-20 09:10:10,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 09:10:10,002 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:10:10,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 09:10:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:10:10,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:10:10,005 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 09:10:10,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:10:10 BasicIcfg [2019-11-20 09:10:10,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 09:10:10,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:10:10,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:10:10,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:10:10,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:10:07" (3/4) ... [2019-11-20 09:10:10,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:10:10,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure allocator [2019-11-20 09:10:10,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure de_allocator [2019-11-20 09:10:10,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 09:10:10,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 09:10:10,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 09:10:10,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a11abfe2-a68c-4c6a-9105-0c5fedb03797/bin/uautomizer/witness.graphml [2019-11-20 09:10:10,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:10:10,083 INFO L168 Benchmark]: Toolchain (without parser) took 3825.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -163.9 MB). Peak memory consumption was 124.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:10,084 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:10:10,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:10,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.43 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. [2019-11-20 09:10:10,085 INFO L168 Benchmark]: Boogie Preprocessor took 23.80 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. [2019-11-20 09:10:10,086 INFO L168 Benchmark]: RCFGBuilder took 492.18 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:10,090 INFO L168 Benchmark]: TraceAbstraction took 2499.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:10,091 INFO L168 Benchmark]: Witness Printer took 73.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-20 09:10:10,092 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 692.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.43 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 23.80 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 492.18 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: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2499.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -43.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * Witness Printer took 73.66 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. 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: 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 - 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 671 SDtfs, 388 SDslu, 349 SDs, 0 SdLazy, 63 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=5958occurred 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: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 351 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...