./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/sync01.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sync01.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/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 07a2cff325945f1e2c5f5bc34031b7ae099cedf8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:54:30,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:54:30,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:54:30,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:54:30,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:54:30,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:54:30,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:54:30,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:54:30,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:54:30,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:54:30,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:54:30,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:54:30,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:54:30,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:54:30,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:54:30,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:54:30,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:54:30,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:54:30,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:54:30,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:54:30,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:54:30,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:54:30,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:54:30,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:54:30,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:54:30,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:54:30,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:54:30,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:54:30,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:54:30,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:54:30,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:54:30,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:54:30,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:54:30,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:54:30,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:54:30,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:54:30,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:54:30,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:54:30,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:54:30,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:54:30,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:54:30,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:54:30,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:54:30,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:54:30,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:54:30,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:54:30,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:54:30,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:54:30,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:54:30,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:54:30,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:54:30,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:54:30,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:54:30,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:54:30,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:54:30,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:54:30,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:54:30,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:54:30,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:54:30,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:54:30,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:54:30,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:54:30,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:54:30,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:30,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:54:30,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:54:30,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:54:30,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:54:30,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:54:30,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:54:30,344 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_e93b5072-111b-4a60-ba3c-ad004d4714f2/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 -> 07a2cff325945f1e2c5f5bc34031b7ae099cedf8 [2019-11-25 08:54:30,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:54:30,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:54:30,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:54:30,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:54:30,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:54:30,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/../../sv-benchmarks/c/pthread/sync01.i [2019-11-25 08:54:30,596 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/data/db9bbc966/dec190152d6f4b76a970cd4542fd2c67/FLAG731fbef98 [2019-11-25 08:54:31,082 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:54:31,083 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/sv-benchmarks/c/pthread/sync01.i [2019-11-25 08:54:31,100 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/data/db9bbc966/dec190152d6f4b76a970cd4542fd2c67/FLAG731fbef98 [2019-11-25 08:54:31,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/data/db9bbc966/dec190152d6f4b76a970cd4542fd2c67 [2019-11-25 08:54:31,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:54:31,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:54:31,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:31,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:54:31,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:54:31,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:31,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b275ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31, skipping insertion in model container [2019-11-25 08:54:31,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:31,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:54:31,219 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:54:31,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:31,782 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:54:31,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:54:31,987 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:54:31,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31 WrapperNode [2019-11-25 08:54:31,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:54:31,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:31,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:54:31,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:54:31,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:54:32,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:54:32,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:54:32,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:54:32,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... [2019-11-25 08:54:32,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:54:32,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:54:32,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:54:32,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:54:32,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:54:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:54:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:54:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:54:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-11-25 08:54:32,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-11-25 08:54:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-11-25 08:54:32,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-11-25 08:54:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:54:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-11-25 08:54:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:54:32,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:54:32,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:54:32,190 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-11-25 08:54:32,627 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:54:32,627 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-25 08:54:32,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32 BoogieIcfgContainer [2019-11-25 08:54:32,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:54:32,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:54:32,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:54:32,633 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:54:32,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:54:31" (1/3) ... [2019-11-25 08:54:32,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eedfa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:32, skipping insertion in model container [2019-11-25 08:54:32,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:54:31" (2/3) ... [2019-11-25 08:54:32,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eedfa33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:54:32, skipping insertion in model container [2019-11-25 08:54:32,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32" (3/3) ... [2019-11-25 08:54:32,637 INFO L109 eAbstractionObserver]: Analyzing ICFG sync01.i [2019-11-25 08:54:32,680 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,681 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,681 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,681 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,682 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,682 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,682 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,683 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,683 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,683 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,684 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,684 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,684 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,684 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,685 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,685 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,685 WARN L315 ript$VariableManager]: TermVariabe thread1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,685 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,686 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,686 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,686 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,686 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,687 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,687 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,687 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,687 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,688 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,688 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,688 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,689 WARN L315 ript$VariableManager]: TermVariabe thread1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,689 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,689 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,689 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,690 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,690 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,690 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,691 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,691 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,691 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,692 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,692 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,692 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,692 WARN L315 ript$VariableManager]: TermVariabe thread2Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,692 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,693 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,693 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,693 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,694 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,694 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,694 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,694 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,695 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,695 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,695 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,695 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,696 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,696 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,696 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,696 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,697 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,697 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,697 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,698 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,698 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,698 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,698 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,699 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,699 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,699 WARN L315 ript$VariableManager]: TermVariabe thread2Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,699 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,699 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,700 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,700 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,700 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,701 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,701 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,701 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,701 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-11-25 08:54:32,774 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-11-25 08:54:32,774 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:54:32,783 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:54:32,796 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:54:32,818 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:54:32,819 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:54:32,819 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:54:32,819 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:54:32,819 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:54:32,820 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:54:32,820 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:54:32,820 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:54:32,845 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 153 places, 161 transitions [2019-11-25 08:54:32,930 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 762 states. [2019-11-25 08:54:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2019-11-25 08:54:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-25 08:54:32,955 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:32,956 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:32,957 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:32,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1078972382, now seen corresponding path program 1 times [2019-11-25 08:54:32,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:32,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981512053] [2019-11-25 08:54:32,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981512053] [2019-11-25 08:54:33,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:54:33,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652108960] [2019-11-25 08:54:33,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:54:33,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:54:33,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:33,267 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 2 states. [2019-11-25 08:54:33,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,314 INFO L93 Difference]: Finished difference Result 762 states and 1869 transitions. [2019-11-25 08:54:33,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:54:33,316 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 68 [2019-11-25 08:54:33,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,342 INFO L225 Difference]: With dead ends: 762 [2019-11-25 08:54:33,343 INFO L226 Difference]: Without dead ends: 754 [2019-11-25 08:54:33,344 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:54:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-11-25 08:54:33,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 754. [2019-11-25 08:54:33,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2019-11-25 08:54:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1861 transitions. [2019-11-25 08:54:33,455 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1861 transitions. Word has length 68 [2019-11-25 08:54:33,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:33,456 INFO L462 AbstractCegarLoop]: Abstraction has 754 states and 1861 transitions. [2019-11-25 08:54:33,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:54:33,457 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1861 transitions. [2019-11-25 08:54:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-25 08:54:33,462 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:33,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:33,462 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1675686210, now seen corresponding path program 1 times [2019-11-25 08:54:33,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570195580] [2019-11-25 08:54:33,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,611 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570195580] [2019-11-25 08:54:33,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-25 08:54:33,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133081198] [2019-11-25 08:54:33,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:54:33,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:54:33,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:33,615 INFO L87 Difference]: Start difference. First operand 754 states and 1861 transitions. Second operand 3 states. [2019-11-25 08:54:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,646 INFO L93 Difference]: Finished difference Result 454 states and 1048 transitions. [2019-11-25 08:54:33,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:54:33,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-11-25 08:54:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,651 INFO L225 Difference]: With dead ends: 454 [2019-11-25 08:54:33,652 INFO L226 Difference]: Without dead ends: 454 [2019-11-25 08:54:33,652 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:54:33,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-11-25 08:54:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-11-25 08:54:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-11-25 08:54:33,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 1048 transitions. [2019-11-25 08:54:33,690 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 1048 transitions. Word has length 68 [2019-11-25 08:54:33,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:33,691 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 1048 transitions. [2019-11-25 08:54:33,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:54:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 1048 transitions. [2019-11-25 08:54:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-25 08:54:33,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:33,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:33,695 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:33,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1524398348, now seen corresponding path program 2 times [2019-11-25 08:54:33,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186093509] [2019-11-25 08:54:33,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:33,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186093509] [2019-11-25 08:54:33,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:33,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:54:33,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307098117] [2019-11-25 08:54:33,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:54:33,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:33,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:54:33,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:54:33,828 INFO L87 Difference]: Start difference. First operand 454 states and 1048 transitions. Second operand 5 states. [2019-11-25 08:54:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:33,966 INFO L93 Difference]: Finished difference Result 334 states and 684 transitions. [2019-11-25 08:54:33,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-25 08:54:33,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-11-25 08:54:33,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:33,970 INFO L225 Difference]: With dead ends: 334 [2019-11-25 08:54:33,970 INFO L226 Difference]: Without dead ends: 334 [2019-11-25 08:54:33,971 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:54:33,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-11-25 08:54:33,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2019-11-25 08:54:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-11-25 08:54:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 684 transitions. [2019-11-25 08:54:33,986 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 684 transitions. Word has length 68 [2019-11-25 08:54:33,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:33,987 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 684 transitions. [2019-11-25 08:54:33,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:54:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 684 transitions. [2019-11-25 08:54:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-25 08:54:33,989 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:33,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:33,990 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:33,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2042843494, now seen corresponding path program 3 times [2019-11-25 08:54:33,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:33,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721964464] [2019-11-25 08:54:33,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:34,136 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721964464] [2019-11-25 08:54:34,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:34,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:34,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120153662] [2019-11-25 08:54:34,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:54:34,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:34,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:54:34,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:34,138 INFO L87 Difference]: Start difference. First operand 334 states and 684 transitions. Second operand 7 states. [2019-11-25 08:54:34,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:34,366 INFO L93 Difference]: Finished difference Result 334 states and 683 transitions. [2019-11-25 08:54:34,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:54:34,367 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-11-25 08:54:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:34,369 INFO L225 Difference]: With dead ends: 334 [2019-11-25 08:54:34,370 INFO L226 Difference]: Without dead ends: 292 [2019-11-25 08:54:34,370 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-25 08:54:34,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-11-25 08:54:34,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2019-11-25 08:54:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-11-25 08:54:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 599 transitions. [2019-11-25 08:54:34,387 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 599 transitions. Word has length 68 [2019-11-25 08:54:34,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,390 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 599 transitions. [2019-11-25 08:54:34,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:54:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 599 transitions. [2019-11-25 08:54:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-25 08:54:34,394 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:54:34,394 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:54:34,395 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:54:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:54:34,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1874067976, now seen corresponding path program 1 times [2019-11-25 08:54:34,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:54:34,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980522076] [2019-11-25 08:54:34,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:54:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:54:34,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:54:34,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980522076] [2019-11-25 08:54:34,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:54:34,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-25 08:54:34,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841872850] [2019-11-25 08:54:34,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-25 08:54:34,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:54:34,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:54:34,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:54:34,554 INFO L87 Difference]: Start difference. First operand 292 states and 599 transitions. Second operand 7 states. [2019-11-25 08:54:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:54:34,656 INFO L93 Difference]: Finished difference Result 281 states and 567 transitions. [2019-11-25 08:54:34,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-25 08:54:34,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-11-25 08:54:34,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:54:34,658 INFO L225 Difference]: With dead ends: 281 [2019-11-25 08:54:34,658 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:54:34,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-25 08:54:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:54:34,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:54:34,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:54:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:54:34,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-11-25 08:54:34,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:54:34,659 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:54:34,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-25 08:54:34,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:54:34,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:54:34,663 INFO L304 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-11-25 08:54:34,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:54:34 BasicIcfg [2019-11-25 08:54:34,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:54:34,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:54:34,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:54:34,667 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:54:34,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:54:32" (3/4) ... [2019-11-25 08:54:34,684 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:54:34,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2019-11-25 08:54:34,705 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2019-11-25 08:54:34,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-25 08:54:34,714 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:54:34,715 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:54:34,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e93b5072-111b-4a60-ba3c-ad004d4714f2/bin/uautomizer/witness.graphml [2019-11-25 08:54:34,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:54:34,770 INFO L168 Benchmark]: Toolchain (without parser) took 3650.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:34,771 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:34,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 868.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -99.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:34,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:34,772 INFO L168 Benchmark]: Boogie Preprocessor took 31.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:34,773 INFO L168 Benchmark]: RCFGBuilder took 517.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:34,773 INFO L168 Benchmark]: TraceAbstraction took 2036.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:54:34,774 INFO L168 Benchmark]: Witness Printer took 101.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:54:34,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 868.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -99.1 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 517.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2036.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.3 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 101.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 947]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 169 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 406 SDtfs, 265 SDslu, 650 SDs, 0 SdLazy, 185 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 44689 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...