./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-1_1-join.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_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/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 3cd35ce33d4b035fe378e7f17ce504e953f9db6a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 00:11:52,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:11:52,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:11:52,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:11:52,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:11:52,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:11:52,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:11:52,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:11:52,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:11:52,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:11:52,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:11:52,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:11:52,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:11:52,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:11:52,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:11:52,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:11:52,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:11:52,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:11:52,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:11:52,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:11:52,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:11:52,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:11:52,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:11:52,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:11:52,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:11:52,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:11:52,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:11:52,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:11:52,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:11:52,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:11:52,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:11:52,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:11:52,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:11:52,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:11:52,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:11:52,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:11:52,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:11:52,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:11:52,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:11:52,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:11:52,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:11:52,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:11:52,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:11:52,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:11:52,259 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:11:52,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:11:52,260 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:11:52,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:11:52,260 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:11:52,260 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:11:52,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:11:52,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:11:52,261 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:11:52,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:11:52,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:11:52,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:11:52,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:11:52,262 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:11:52,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:11:52,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:11:52,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:11:52,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:11:52,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:11:52,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:11:52,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:11:52,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:11:52,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:11:52,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:11:52,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:11:52,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:11:52,264 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_83a22895-db23-4371-bd56-6fbee3aacefd/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 -> 3cd35ce33d4b035fe378e7f17ce504e953f9db6a [2019-11-20 00:11:52,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:11:52,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:11:52,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:11:52,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:11:52,459 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:11:52,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-20 00:11:52,517 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/data/8fbcdbf95/f28420459fa7404496363def98aee3ae/FLAGffaca6ec0 [2019-11-20 00:11:53,048 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:11:53,049 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/sv-benchmarks/c/ldv-races/race-1_1-join.i [2019-11-20 00:11:53,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/data/8fbcdbf95/f28420459fa7404496363def98aee3ae/FLAGffaca6ec0 [2019-11-20 00:11:53,319 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/data/8fbcdbf95/f28420459fa7404496363def98aee3ae [2019-11-20 00:11:53,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:11:53,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:11:53,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:11:53,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:11:53,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:11:53,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:11:53" (1/1) ... [2019-11-20 00:11:53,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d3d969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:53, skipping insertion in model container [2019-11-20 00:11:53,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:11:53" (1/1) ... [2019-11-20 00:11:53,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:11:53,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:11:54,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:11:54,226 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:11:54,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:11:54,608 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:11:54,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54 WrapperNode [2019-11-20 00:11:54,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:11:54,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:11:54,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:11:54,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:11:54,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:11:54,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:11:54,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:11:54,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:11:54,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... [2019-11-20 00:11:54,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:11:54,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:11:54,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:11:54,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:11:54,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/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 00:11:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 00:11:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 00:11:54,815 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-20 00:11:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 00:11:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:11:54,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:11:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:11:54,816 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-20 00:11:54,817 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-20 00:11:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 00:11:54,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:11:54,819 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 00:11:55,452 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:11:55,453 INFO L285 CfgBuilder]: Removed 16 assume(true) statements. [2019-11-20 00:11:55,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:55 BoogieIcfgContainer [2019-11-20 00:11:55,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:11:55,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:11:55,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:11:55,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:11:55,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:11:53" (1/3) ... [2019-11-20 00:11:55,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1797300b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:11:55, skipping insertion in model container [2019-11-20 00:11:55,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:54" (2/3) ... [2019-11-20 00:11:55,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1797300b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:11:55, skipping insertion in model container [2019-11-20 00:11:55,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:55" (3/3) ... [2019-11-20 00:11:55,464 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2019-11-20 00:11:55,511 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,512 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,512 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,512 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,513 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,514 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,515 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,516 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,516 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,516 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,517 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,517 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,518 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,518 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,519 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,519 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,519 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,519 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,520 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,521 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,522 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,523 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,523 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,524 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork1_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,525 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,525 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,526 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,527 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,527 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,527 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,530 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,530 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,530 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,531 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,531 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,532 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,533 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,533 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork2_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,533 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,534 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-20 00:11:55,564 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-20 00:11:55,565 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:11:55,573 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2019-11-20 00:11:55,585 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-11-20 00:11:55,605 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:11:55,606 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:11:55,606 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:11:55,606 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:11:55,606 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:11:55,606 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:11:55,606 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:11:55,607 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:11:55,622 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 113 places, 115 transitions [2019-11-20 00:11:55,700 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 693 states. [2019-11-20 00:11:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states. [2019-11-20 00:11:55,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 00:11:55,711 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:55,712 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] [2019-11-20 00:11:55,712 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:55,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:55,719 INFO L82 PathProgramCache]: Analyzing trace with hash 663703428, now seen corresponding path program 1 times [2019-11-20 00:11:55,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:55,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329994790] [2019-11-20 00:11:55,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:56,258 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 00:11:56,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329994790] [2019-11-20 00:11:56,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:56,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:56,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561208505] [2019-11-20 00:11:56,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:56,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:56,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:56,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:56,281 INFO L87 Difference]: Start difference. First operand 693 states. Second operand 5 states. [2019-11-20 00:11:56,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:56,508 INFO L93 Difference]: Finished difference Result 691 states and 1239 transitions. [2019-11-20 00:11:56,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 00:11:56,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-20 00:11:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:56,532 INFO L225 Difference]: With dead ends: 691 [2019-11-20 00:11:56,532 INFO L226 Difference]: Without dead ends: 615 [2019-11-20 00:11:56,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:56,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-11-20 00:11:56,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2019-11-20 00:11:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-11-20 00:11:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 1102 transitions. [2019-11-20 00:11:56,634 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 1102 transitions. Word has length 23 [2019-11-20 00:11:56,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:56,634 INFO L462 AbstractCegarLoop]: Abstraction has 615 states and 1102 transitions. [2019-11-20 00:11:56,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1102 transitions. [2019-11-20 00:11:56,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 00:11:56,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:56,637 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] [2019-11-20 00:11:56,637 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:56,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:56,638 INFO L82 PathProgramCache]: Analyzing trace with hash -611752670, now seen corresponding path program 1 times [2019-11-20 00:11:56,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:56,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648513500] [2019-11-20 00:11:56,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:56,801 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 00:11:56,802 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648513500] [2019-11-20 00:11:56,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:56,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:56,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798134683] [2019-11-20 00:11:56,804 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:56,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:56,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:56,805 INFO L87 Difference]: Start difference. First operand 615 states and 1102 transitions. Second operand 5 states. [2019-11-20 00:11:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:56,949 INFO L93 Difference]: Finished difference Result 613 states and 1100 transitions. [2019-11-20 00:11:56,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:11:56,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-20 00:11:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:56,955 INFO L225 Difference]: With dead ends: 613 [2019-11-20 00:11:56,955 INFO L226 Difference]: Without dead ends: 607 [2019-11-20 00:11:56,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2019-11-20 00:11:56,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 607. [2019-11-20 00:11:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2019-11-20 00:11:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 1094 transitions. [2019-11-20 00:11:57,000 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 1094 transitions. Word has length 31 [2019-11-20 00:11:57,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:57,001 INFO L462 AbstractCegarLoop]: Abstraction has 607 states and 1094 transitions. [2019-11-20 00:11:57,001 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1094 transitions. [2019-11-20 00:11:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 00:11:57,004 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:57,005 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] [2019-11-20 00:11:57,005 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:57,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1287424717, now seen corresponding path program 1 times [2019-11-20 00:11:57,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:57,007 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563095240] [2019-11-20 00:11:57,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:57,141 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 00:11:57,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563095240] [2019-11-20 00:11:57,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:57,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:57,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791070993] [2019-11-20 00:11:57,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:57,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:57,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:57,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:57,143 INFO L87 Difference]: Start difference. First operand 607 states and 1094 transitions. Second operand 5 states. [2019-11-20 00:11:57,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:57,253 INFO L93 Difference]: Finished difference Result 587 states and 1045 transitions. [2019-11-20 00:11:57,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:11:57,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 00:11:57,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:57,258 INFO L225 Difference]: With dead ends: 587 [2019-11-20 00:11:57,258 INFO L226 Difference]: Without dead ends: 547 [2019-11-20 00:11:57,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-11-20 00:11:57,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 537. [2019-11-20 00:11:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-11-20 00:11:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 961 transitions. [2019-11-20 00:11:57,280 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 961 transitions. Word has length 36 [2019-11-20 00:11:57,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:57,280 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 961 transitions. [2019-11-20 00:11:57,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 961 transitions. [2019-11-20 00:11:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 00:11:57,283 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:57,283 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] [2019-11-20 00:11:57,284 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:57,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:57,284 INFO L82 PathProgramCache]: Analyzing trace with hash 909629550, now seen corresponding path program 1 times [2019-11-20 00:11:57,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:57,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448183904] [2019-11-20 00:11:57,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:57,465 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 00:11:57,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448183904] [2019-11-20 00:11:57,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:57,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:57,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676011215] [2019-11-20 00:11:57,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:57,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:57,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:57,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:57,467 INFO L87 Difference]: Start difference. First operand 537 states and 961 transitions. Second operand 5 states. [2019-11-20 00:11:57,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:57,571 INFO L93 Difference]: Finished difference Result 517 states and 912 transitions. [2019-11-20 00:11:57,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:11:57,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 00:11:57,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:57,575 INFO L225 Difference]: With dead ends: 517 [2019-11-20 00:11:57,575 INFO L226 Difference]: Without dead ends: 477 [2019-11-20 00:11:57,575 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:57,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-11-20 00:11:57,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 467. [2019-11-20 00:11:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-11-20 00:11:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 828 transitions. [2019-11-20 00:11:57,590 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 828 transitions. Word has length 36 [2019-11-20 00:11:57,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:57,590 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 828 transitions. [2019-11-20 00:11:57,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:57,590 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 828 transitions. [2019-11-20 00:11:57,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 00:11:57,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:57,592 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] [2019-11-20 00:11:57,593 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:57,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:57,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1663815807, now seen corresponding path program 1 times [2019-11-20 00:11:57,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:57,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66063779] [2019-11-20 00:11:57,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:57,699 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 00:11:57,700 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66063779] [2019-11-20 00:11:57,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:57,700 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:57,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724226787] [2019-11-20 00:11:57,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:57,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:57,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:57,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:57,701 INFO L87 Difference]: Start difference. First operand 467 states and 828 transitions. Second operand 5 states. [2019-11-20 00:11:57,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:57,803 INFO L93 Difference]: Finished difference Result 447 states and 779 transitions. [2019-11-20 00:11:57,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:11:57,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-11-20 00:11:57,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:57,806 INFO L225 Difference]: With dead ends: 447 [2019-11-20 00:11:57,806 INFO L226 Difference]: Without dead ends: 407 [2019-11-20 00:11:57,807 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:57,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-11-20 00:11:57,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 397. [2019-11-20 00:11:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-20 00:11:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 695 transitions. [2019-11-20 00:11:57,817 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 695 transitions. Word has length 36 [2019-11-20 00:11:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:57,818 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 695 transitions. [2019-11-20 00:11:57,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:57,818 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 695 transitions. [2019-11-20 00:11:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 00:11:57,820 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:11:57,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:11:57,820 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 00:11:57,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:11:57,821 INFO L82 PathProgramCache]: Analyzing trace with hash -124062312, now seen corresponding path program 1 times [2019-11-20 00:11:57,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:11:57,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894749550] [2019-11-20 00:11:57,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:11:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:11:57,911 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 00:11:57,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894749550] [2019-11-20 00:11:57,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:11:57,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 00:11:57,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658740136] [2019-11-20 00:11:57,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 00:11:57,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:11:57,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 00:11:57,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 00:11:57,913 INFO L87 Difference]: Start difference. First operand 397 states and 695 transitions. Second operand 5 states. [2019-11-20 00:11:58,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:11:58,004 INFO L93 Difference]: Finished difference Result 395 states and 693 transitions. [2019-11-20 00:11:58,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 00:11:58,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2019-11-20 00:11:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:11:58,005 INFO L225 Difference]: With dead ends: 395 [2019-11-20 00:11:58,005 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:11:58,006 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-20 00:11:58,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:11:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:11:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:11:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:11:58,006 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2019-11-20 00:11:58,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:11:58,007 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:11:58,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 00:11:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:11:58,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:11:58,010 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-20 00:11:58,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:11:58 BasicIcfg [2019-11-20 00:11:58,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:11:58,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:11:58,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:11:58,013 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:11:58,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:55" (3/4) ... [2019-11-20 00:11:58,016 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:11:58,023 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-11-20 00:11:58,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-20 00:11:58,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 00:11:58,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 00:11:58,099 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_83a22895-db23-4371-bd56-6fbee3aacefd/bin/uautomizer/witness.graphml [2019-11-20 00:11:58,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:11:58,101 INFO L168 Benchmark]: Toolchain (without parser) took 4777.62 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.3 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 60.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:11:58,101 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-20 00:11:58,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1285.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.4 MB in the beginning and 1.0 GB in the end (delta: -69.0 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:11:58,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 00:11:58,102 INFO L168 Benchmark]: Boogie Preprocessor took 55.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:11:58,103 INFO L168 Benchmark]: RCFGBuilder took 693.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.2 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:11:58,103 INFO L168 Benchmark]: TraceAbstraction took 2556.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 963.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:11:58,103 INFO L168 Benchmark]: Witness Printer took 86.77 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:11:58,105 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 1285.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 947.4 MB in the beginning and 1.0 GB in the end (delta: -69.0 MB). Peak memory consumption was 100.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 693.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 963.2 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2556.39 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 87.6 MB). Free memory was 963.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 86.77 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: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 121 locations, 7 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 680 SDtfs, 652 SDslu, 1280 SDs, 0 SdLazy, 117 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=693occurred 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, 6 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 219 NumberOfCodeBlocks, 219 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 10538 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...