./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-1_1-join.i -s /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f78296dc1cf80b4adc36195bb88732ccad57c55 .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:01:50,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:01:50,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:01:50,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:01:50,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:01:50,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:01:50,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:01:50,270 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:01:50,272 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:01:50,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:01:50,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:01:50,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:01:50,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:01:50,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:01:50,291 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:01:50,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:01:50,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:01:50,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:01:50,297 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:01:50,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:01:50,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:01:50,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:01:50,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:01:50,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:01:50,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:01:50,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:01:50,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:01:50,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:01:50,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:01:50,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:01:50,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:01:50,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:01:50,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:01:50,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:01:50,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:01:50,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:01:50,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:01:50,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:01:50,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:01:50,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:01:50,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:01:50,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:01:50,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:01:50,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:01:50,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:01:50,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:01:50,358 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:01:50,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:01:50,358 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:01:50,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:01:50,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:01:50,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:01:50,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:01:50,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:01:50,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:01:50,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:01:50,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:01:50,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:01:50,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:01:50,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:01:50,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:01:50,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:01:50,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:01:50,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:01:50,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:01:50,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:01:50,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:01:50,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:01:50,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:01:50,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:01:50,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:01:50,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f78296dc1cf80b4adc36195bb88732ccad57c55 [2020-11-30 01:01:50,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:01:50,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:01:50,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:01:50,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:01:50,636 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:01:50,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/../../sv-benchmarks/c/ldv-races/race-1_1-join.i [2020-11-30 01:01:50,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/data/fe7291988/1cecdd7964a9401d97cd2809b6267a12/FLAG056aafde5 [2020-11-30 01:01:51,352 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:01:51,352 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/sv-benchmarks/c/ldv-races/race-1_1-join.i [2020-11-30 01:01:51,387 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/data/fe7291988/1cecdd7964a9401d97cd2809b6267a12/FLAG056aafde5 [2020-11-30 01:01:51,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/data/fe7291988/1cecdd7964a9401d97cd2809b6267a12 [2020-11-30 01:01:51,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:01:51,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:01:51,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:51,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:01:51,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:01:51,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:51" (1/1) ... [2020-11-30 01:01:51,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1691be59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:51, skipping insertion in model container [2020-11-30 01:01:51,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:01:51" (1/1) ... [2020-11-30 01:01:51,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:01:51,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:01:52,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:52,411 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:01:52,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:01:52,894 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:01:52,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52 WrapperNode [2020-11-30 01:01:52,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:01:52,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:52,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:01:52,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:01:52,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:52,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:52,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:01:52,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:01:52,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:01:52,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:01:53,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... [2020-11-30 01:01:53,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:01:53,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:01:53,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:01:53,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:01:53,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/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 [2020-11-30 01:01:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:01:53,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:01:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-30 01:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:01:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:01:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:01:53,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-30 01:01:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-30 01:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:01:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:01:53,182 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:01:53,827 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:01:53,827 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-30 01:01:53,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:53 BoogieIcfgContainer [2020-11-30 01:01:53,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:01:53,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:01:53,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:01:53,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:01:53,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:01:51" (1/3) ... [2020-11-30 01:01:53,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e088ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:01:53, skipping insertion in model container [2020-11-30 01:01:53,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:01:52" (2/3) ... [2020-11-30 01:01:53,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e088ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:01:53, skipping insertion in model container [2020-11-30 01:01:53,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:53" (3/3) ... [2020-11-30 01:01:53,840 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2020-11-30 01:01:53,851 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-30 01:01:53,851 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:01:53,856 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-11-30 01:01:53,857 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-30 01:01:53,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,910 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,910 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,911 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,911 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,912 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,912 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,912 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,912 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,928 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,929 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,931 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,932 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,932 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_reach_error_#t~nondet32.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,933 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-30 01:01:53,948 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-30 01:01:53,972 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-30 01:01:53,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:01:53,995 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:01:53,995 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:01:53,995 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:01:53,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:01:53,998 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:01:53,998 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:01:53,998 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:01:54,012 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-30 01:01:54,014 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 108 transitions, 224 flow [2020-11-30 01:01:54,017 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 108 transitions, 224 flow [2020-11-30 01:01:54,019 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 102 places, 108 transitions, 224 flow [2020-11-30 01:01:54,067 INFO L129 PetriNetUnfolder]: 9/119 cut-off events. [2020-11-30 01:01:54,068 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-30 01:01:54,071 INFO L80 FinitePrefix]: Finished finitePrefix Result has 124 conditions, 119 events. 9/119 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 243 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 66. Up to 3 conditions per place. [2020-11-30 01:01:54,074 INFO L116 LiptonReduction]: Number of co-enabled transitions 532 [2020-11-30 01:01:56,565 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-11-30 01:01:56,702 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-11-30 01:01:57,019 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-30 01:01:57,130 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-30 01:01:57,304 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-30 01:01:57,440 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-30 01:01:57,812 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-11-30 01:01:58,002 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-30 01:01:58,238 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-11-30 01:01:58,436 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-11-30 01:01:58,437 INFO L131 LiptonReduction]: Checked pairs total: 456 [2020-11-30 01:01:58,437 INFO L133 LiptonReduction]: Total number of compositions: 145 [2020-11-30 01:01:58,443 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 14 transitions, 36 flow [2020-11-30 01:01:58,449 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-11-30 01:01:58,451 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-11-30 01:01:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-11-30 01:01:58,454 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:01:58,454 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-11-30 01:01:58,455 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:01:58,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:01:58,460 INFO L82 PathProgramCache]: Analyzing trace with hash 456, now seen corresponding path program 1 times [2020-11-30 01:01:58,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:01:58,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982068238] [2020-11-30 01:01:58,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:01:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:01:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:01:58,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982068238] [2020-11-30 01:01:58,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:01:58,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-11-30 01:01:58,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336826895] [2020-11-30 01:01:58,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 01:01:58,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:01:58,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 01:01:58,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:01:58,701 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-11-30 01:01:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:01:58,712 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2020-11-30 01:01:58,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 01:01:58,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-11-30 01:01:58,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:01:58,719 INFO L225 Difference]: With dead ends: 14 [2020-11-30 01:01:58,719 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:01:58,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 01:01:58,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:01:58,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:01:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:01:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:01:58,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2020-11-30 01:01:58,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:01:58,744 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:01:58,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 01:01:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:01:58,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:01:58,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:01:58,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:01:58 BasicIcfg [2020-11-30 01:01:58,748 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:01:58,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:01:58,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:01:58,749 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:01:58,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:01:53" (3/4) ... [2020-11-30 01:01:58,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:01:58,759 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2020-11-30 01:01:58,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 01:01:58,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:01:58,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:01:58,766 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:01:58,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0a90513a-9990-46ae-8379-74ce77456bc8/bin/uautomizer/witness.graphml [2020-11-30 01:01:58,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:01:58,812 INFO L168 Benchmark]: Toolchain (without parser) took 7267.98 ms. Allocated memory was 92.3 MB in the beginning and 151.0 MB in the end (delta: 58.7 MB). Free memory was 65.2 MB in the beginning and 88.3 MB in the end (delta: -23.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,813 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 41.8 MB in the beginning and 41.8 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:58,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1350.54 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 65.1 MB in the beginning and 55.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 50.0 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.75 ms. Allocated memory is still 125.8 MB. Free memory was 55.5 MB in the beginning and 52.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,815 INFO L168 Benchmark]: Boogie Preprocessor took 77.59 ms. Allocated memory is still 125.8 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,815 INFO L168 Benchmark]: RCFGBuilder took 759.05 ms. Allocated memory is still 125.8 MB. Free memory was 50.0 MB in the beginning and 61.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,816 INFO L168 Benchmark]: TraceAbstraction took 4917.22 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 61.4 MB in the beginning and 91.5 MB in the end (delta: -30.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:01:58,816 INFO L168 Benchmark]: Witness Printer took 63.13 ms. Allocated memory is still 151.0 MB. Free memory was 91.5 MB in the beginning and 88.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:01:58,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory was 41.8 MB in the beginning and 41.8 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1350.54 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 65.1 MB in the beginning and 55.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 50.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.75 ms. Allocated memory is still 125.8 MB. Free memory was 55.5 MB in the beginning and 52.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.59 ms. Allocated memory is still 125.8 MB. Free memory was 52.6 MB in the beginning and 50.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 759.05 ms. Allocated memory is still 125.8 MB. Free memory was 50.0 MB in the beginning and 61.4 MB in the end (delta: -11.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4917.22 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 61.4 MB in the beginning and 91.5 MB in the end (delta: -30.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 63.13 ms. Allocated memory is still 151.0 MB. Free memory was 91.5 MB in the beginning and 88.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 381 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 102 PlacesBefore, 16 PlacesAfterwards, 108 TransitionsBefore, 14 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 7 FixpointIterations, 85 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 12 ConcurrentYvCompositions, 8 ChoiceCompositions, 145 TotalNumberOfCompositions, 456 MoverChecksTotal - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1691]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 99 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...