./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s.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_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/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 ce6ab85d567b430987e90c0caeb17855dc670c31 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/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 ce6ab85d567b430987e90c0caeb17855dc670c31 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:43,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:43,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:43,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:43,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:43,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:43,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:43,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:43,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:43,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:43,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:43,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:43,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:43,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:43,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:43,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:43,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:43,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:43,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:43,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:43,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:43,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:43,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:43,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:43,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:43,213 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:43,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:43,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:43,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:43,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:43,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:43,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:43,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:43,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:43,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:43,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:43,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:43,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:43,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:43,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:43,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:43,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:43,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:43,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:43,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:43,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:43,284 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:43,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:43,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:43,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:43,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:43,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:43,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:43,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:43,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:43,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:43,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:43,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:43,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:43,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:43,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:43,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:43,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:43,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:43,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:43,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:43,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:43,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:43,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:43,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:43,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:43,292 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_07eaa880-fd47-4486-a8b8-e7038873b894/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-11-28 03:17:43,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:43,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:43,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:43,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:43,578 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:43,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-11-28 03:17:43,641 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/0f88277db/c361fb44f9784d6c8d93aaa2a1d81771/FLAGfa4fa0d6a [2020-11-28 03:17:44,279 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:44,280 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/sv-benchmarks/c/pthread/bigshot_s.i [2020-11-28 03:17:44,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/0f88277db/c361fb44f9784d6c8d93aaa2a1d81771/FLAGfa4fa0d6a [2020-11-28 03:17:44,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/0f88277db/c361fb44f9784d6c8d93aaa2a1d81771 [2020-11-28 03:17:44,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:44,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:44,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:44,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:44,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:44,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34de5a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44, skipping insertion in model container [2020-11-28 03:17:44,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:44,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:45,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,147 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:45,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,430 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:45,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45 WrapperNode [2020-11-28 03:17:45,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:45,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:45,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:45,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:45,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:45,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:45,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:45,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:45,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/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 [2020-11-28 03:17:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:17:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-28 03:17:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:17:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-28 03:17:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-28 03:17:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-28 03:17:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-28 03:17:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:17:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:17:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:45,623 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:17:46,126 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:46,127 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:17:46,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46 BoogieIcfgContainer [2020-11-28 03:17:46,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:46,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:46,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:46,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:46,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:44" (1/3) ... [2020-11-28 03:17:46,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d997e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:46, skipping insertion in model container [2020-11-28 03:17:46,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (2/3) ... [2020-11-28 03:17:46,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403d997e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:46, skipping insertion in model container [2020-11-28 03:17:46,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46" (3/3) ... [2020-11-28 03:17:46,136 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-11-28 03:17:46,145 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 03:17:46,145 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:46,150 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:17:46,151 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 03:17:46,174 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,174 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,174 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,175 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,175 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,175 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,175 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,179 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,179 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,179 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,179 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,180 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,186 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,186 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,199 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,200 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:46,223 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-28 03:17:46,235 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:17:46,269 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:46,269 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:46,270 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:46,270 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:46,270 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:46,270 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:46,270 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:46,270 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:46,287 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 03:17:46,294 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 180 flow [2020-11-28 03:17:46,298 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 180 flow [2020-11-28 03:17:46,300 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 180 flow [2020-11-28 03:17:46,367 INFO L129 PetriNetUnfolder]: 6/75 cut-off events. [2020-11-28 03:17:46,367 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-28 03:17:46,371 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 75 events. 6/75 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-11-28 03:17:46,374 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-28 03:17:48,368 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-28 03:17:49,139 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-11-28 03:17:49,300 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-28 03:17:49,498 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-11-28 03:17:49,571 INFO L131 LiptonReduction]: Checked pairs total: 235 [2020-11-28 03:17:49,571 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-28 03:17:49,576 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-28 03:17:49,586 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-28 03:17:49,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-28 03:17:49,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:17:49,598 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:49,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:49,599 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:49,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1572917534, now seen corresponding path program 1 times [2020-11-28 03:17:49,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:49,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454895953] [2020-11-28 03:17:49,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:49,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454895953] [2020-11-28 03:17:49,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:49,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:49,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398373198] [2020-11-28 03:17:49,961 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:17:49,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:49,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:49,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:49,983 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-11-28 03:17:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:50,026 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2020-11-28 03:17:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:50,028 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-28 03:17:50,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:50,036 INFO L225 Difference]: With dead ends: 24 [2020-11-28 03:17:50,036 INFO L226 Difference]: Without dead ends: 18 [2020-11-28 03:17:50,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:50,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-28 03:17:50,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-28 03:17:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 03:17:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-28 03:17:50,068 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-28 03:17:50,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:50,069 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-28 03:17:50,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:17:50,069 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-28 03:17:50,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:17:50,070 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:50,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:17:50,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:50,071 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:50,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:50,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2067530268, now seen corresponding path program 1 times [2020-11-28 03:17:50,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:50,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614758163] [2020-11-28 03:17:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:50,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:50,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:50,223 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:50,223 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:17:50,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:17:50,225 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-28 03:17:50,225 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-28 03:17:50,232 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [283] [283] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In230127870|) (= 0 |thread2Thread1of1ForFork1_#res.base_Out230127870|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In230127870|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out230127870| (select (select |#memory_int_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In230127870|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In230127870|))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out230127870| 0) (= |thread2Thread1of1ForFork1_#res.offset_Out230127870| 0) (= (store |#memory_int_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In230127870| (store (select |#memory_int_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In230127870|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In230127870| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In230127870|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out230127870|)) |#memory_int_Out230127870|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In230127870|, #memory_int=|#memory_int_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In230127870|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In230127870|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In230127870|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out230127870|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out230127870|, #memory_int=|#memory_int_Out230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In230127870|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out230127870|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-11-28 03:17:50,233 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [282] [282] L1126-->L1107: Formula: (let ((.cse1 (= 0 ~v~0.base_In1635506669)) (.cse0 (= ~v~0.offset_In1635506669 0)) (.cse2 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1635506669| 1))) (or (and .cse0 (= |ULTIMATE.start_main_#t~mem12_In1635506669| |ULTIMATE.start_main_#t~mem12_Out1635506669|) .cse1 |ULTIMATE.start_main_#t~short13_Out1635506669| .cse2) (let ((.cse4 (not |ULTIMATE.start_main_#t~short13_Out1635506669|))) (and (or (not .cse1) (not .cse0)) (let ((.cse3 (= |ULTIMATE.start_main_#t~mem12_Out1635506669| 66))) (or (and (not .cse3) .cse4) (and |ULTIMATE.start_main_#t~short13_Out1635506669| .cse3))) (= |ULTIMATE.start_main_#t~mem12_Out1635506669| (select (select |#memory_int_In1635506669| ~v~0.base_In1635506669) ~v~0.offset_In1635506669)) (or (and .cse4 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out1635506669| 0)) (and |ULTIMATE.start_main_#t~short13_Out1635506669| .cse2)))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In1635506669|, ~v~0.offset=~v~0.offset_In1635506669, #memory_int=|#memory_int_In1635506669|, ~v~0.base=~v~0.base_In1635506669} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out1635506669|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out1635506669, ~v~0.offset=~v~0.offset_In1635506669, #memory_int=|#memory_int_In1635506669|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out1635506669|, ~v~0.base=~v~0.base_In1635506669, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out1635506669|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-11-28 03:17:50,244 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,245 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,246 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,246 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,246 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,246 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,247 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,247 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,247 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,247 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,248 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,248 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,248 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,249 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,249 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,249 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,250 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,250 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,250 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,250 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:17:50,251 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:17:50,251 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:17:50,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:50 BasicIcfg [2020-11-28 03:17:50,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:50,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:50,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:50,284 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:50,284 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:46" (3/4) ... [2020-11-28 03:17:50,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:17:50,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:50,288 INFO L168 Benchmark]: Toolchain (without parser) took 5804.59 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 63.7 MB in the beginning and 87.6 MB in the end (delta: -23.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,289 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:50,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.24 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 60.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.07 ms. Allocated memory is still 111.1 MB. Free memory was 60.0 MB in the beginning and 57.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,291 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 ms. Allocated memory is still 111.1 MB. Free memory was 57.9 MB in the beginning and 56.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,291 INFO L168 Benchmark]: RCFGBuilder took 607.86 ms. Allocated memory is still 111.1 MB. Free memory was 56.2 MB in the beginning and 71.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,292 INFO L168 Benchmark]: TraceAbstraction took 4153.28 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 87.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:50,292 INFO L168 Benchmark]: Witness Printer took 3.40 ms. Allocated memory is still 134.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:50,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 51.4 MB in the beginning and 51.3 MB in the end (delta: 60.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 944.24 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 63.5 MB in the beginning and 60.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.07 ms. Allocated memory is still 111.1 MB. Free memory was 60.0 MB in the beginning and 57.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.78 ms. Allocated memory is still 111.1 MB. Free memory was 57.9 MB in the beginning and 56.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 607.86 ms. Allocated memory is still 111.1 MB. Free memory was 56.2 MB in the beginning and 71.7 MB in the end (delta: -15.5 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4153.28 ms. Allocated memory was 111.1 MB in the beginning and 134.2 MB in the end (delta: 23.1 MB). Free memory was 71.3 MB in the beginning and 87.6 MB in the end (delta: -16.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.40 ms. Allocated memory is still 134.2 MB. Free memory is still 87.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 73 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 78 PlacesBefore, 24 PlacesAfterwards, 79 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 80 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 20]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 14 SDtfs, 16 SDslu, 10 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:52,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:52,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:53,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:53,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:53,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:53,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:53,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:53,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:53,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:53,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:53,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:53,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:53,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:53,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:53,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:53,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:53,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:53,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:53,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:53,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:53,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:53,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:53,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:53,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:53,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:53,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:53,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:53,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:53,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:53,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:53,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:53,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:53,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:53,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:53,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:53,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:53,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:53,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:53,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:53,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:53,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:17:53,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:53,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:53,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:53,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:53,151 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:53,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:53,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:53,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:53,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:53,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:53,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:53,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:53,155 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:17:53,155 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:17:53,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:53,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:53,156 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:53,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:53,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:53,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:53,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:53,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:53,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:53,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:53,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:53,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:53,158 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:17:53,159 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:17:53,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:53,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:53,159 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:17:53,160 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_07eaa880-fd47-4486-a8b8-e7038873b894/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-11-28 03:17:53,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:53,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:53,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:53,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:53,613 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:53,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-11-28 03:17:53,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/c416bd143/e8efb124edc5469e86c6296c6f23002e/FLAGa61a592a6 [2020-11-28 03:17:54,347 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:54,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/sv-benchmarks/c/pthread/bigshot_s.i [2020-11-28 03:17:54,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/c416bd143/e8efb124edc5469e86c6296c6f23002e/FLAGa61a592a6 [2020-11-28 03:17:54,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/data/c416bd143/e8efb124edc5469e86c6296c6f23002e [2020-11-28 03:17:54,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:54,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:54,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:54,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:54,620 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:54,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:54" (1/1) ... [2020-11-28 03:17:54,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5900b7bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:54, skipping insertion in model container [2020-11-28 03:17:54,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:54" (1/1) ... [2020-11-28 03:17:54,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:54,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:55,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:55,397 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:55,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:55,693 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:55,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55 WrapperNode [2020-11-28 03:17:55,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:55,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:55,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:55,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:55,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:55,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:55,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:55,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:55,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... [2020-11-28 03:17:55,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:55,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:55,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:55,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:55,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/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 [2020-11-28 03:17:55,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-28 03:17:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:17:55,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:17:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:17:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:17:55,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-28 03:17:55,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-28 03:17:55,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-28 03:17:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-28 03:17:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-28 03:17:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 03:17:55,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:55,934 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-28 03:17:56,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:56,406 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-28 03:17:56,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:56 BoogieIcfgContainer [2020-11-28 03:17:56,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:56,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:56,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:56,413 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:56,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:54" (1/3) ... [2020-11-28 03:17:56,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b73671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:56, skipping insertion in model container [2020-11-28 03:17:56,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:55" (2/3) ... [2020-11-28 03:17:56,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b73671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:56, skipping insertion in model container [2020-11-28 03:17:56,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:56" (3/3) ... [2020-11-28 03:17:56,416 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-11-28 03:17:56,426 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-28 03:17:56,426 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:56,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:17:56,431 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-28 03:17:56,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,455 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,455 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,457 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,457 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,457 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,457 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,458 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,458 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,458 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,458 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,459 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,460 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,465 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,466 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,466 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,471 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,471 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,472 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,473 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-28 03:17:56,487 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-28 03:17:56,497 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:17:56,514 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:56,514 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:56,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:56,515 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:56,515 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:56,515 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:56,515 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:56,515 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:56,526 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-28 03:17:56,528 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 80 transitions, 182 flow [2020-11-28 03:17:56,531 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 80 transitions, 182 flow [2020-11-28 03:17:56,532 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 80 transitions, 182 flow [2020-11-28 03:17:56,567 INFO L129 PetriNetUnfolder]: 6/76 cut-off events. [2020-11-28 03:17:56,568 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-28 03:17:56,570 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 6/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-11-28 03:17:56,572 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-28 03:17:56,802 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-28 03:17:57,012 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-11-28 03:17:57,569 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-11-28 03:17:59,554 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-28 03:17:59,691 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-28 03:18:00,303 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-11-28 03:18:00,749 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-28 03:18:01,092 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-28 03:18:01,116 INFO L131 LiptonReduction]: Checked pairs total: 206 [2020-11-28 03:18:01,116 INFO L133 LiptonReduction]: Total number of compositions: 84 [2020-11-28 03:18:01,132 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-28 03:18:01,140 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-28 03:18:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-28 03:18:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:18:01,152 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:01,152 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:01,153 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:01,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1245339778, now seen corresponding path program 1 times [2020-11-28 03:18:01,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:18:01,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882162380] [2020-11-28 03:18:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 03:18:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:18:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [882162380] [2020-11-28 03:18:01,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:18:01,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-28 03:18:01,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718777476] [2020-11-28 03:18:01,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:18:01,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:18:01,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:18:01,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:01,484 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-11-28 03:18:01,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:18:01,531 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-11-28 03:18:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:18:01,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-28 03:18:01,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:18:01,538 INFO L225 Difference]: With dead ends: 19 [2020-11-28 03:18:01,538 INFO L226 Difference]: Without dead ends: 18 [2020-11-28 03:18:01,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:18:01,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-28 03:18:01,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-28 03:18:01,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-28 03:18:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-28 03:18:01,569 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-28 03:18:01,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:18:01,570 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-28 03:18:01,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:18:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-28 03:18:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 03:18:01,571 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:18:01,571 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:18:01,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:18:01,784 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:18:01,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,785 INFO L82 PathProgramCache]: Analyzing trace with hash 64589073, now seen corresponding path program 1 times [2020-11-28 03:18:01,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:18:01,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481489794] [2020-11-28 03:18:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07eaa880-fd47-4486-a8b8-e7038873b894/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 03:18:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:01,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:01,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,033 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:18:02,033 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:18:02,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:18:02,245 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-28 03:18:02,245 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-28 03:18:02,253 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [293] [293] L-1-6-->thread2EXIT: Formula: (and (= (_ bv0 8) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out536153548|) (= (store |#memory_int_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In536153548| (store (select |#memory_int_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In536153548|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In536153548|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out536153548|))) |#memory_int_Out536153548|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In536153548|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In536153548|) (= ((_ extract 7 0) (select (select |#memory_int_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In536153548|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In536153548| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In536153548|))) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out536153548|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out536153548|) (= |thread2Thread1of1ForFork1_#res.base_Out536153548| (_ bv0 32))) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In536153548|, #memory_int=|#memory_int_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In536153548|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In536153548|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In536153548|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out536153548|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out536153548|, #memory_int=|#memory_int_Out536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In536153548|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out536153548|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-11-28 03:18:02,254 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [285] [285] L1126-->L1107: Formula: (let ((.cse0 (= ~v~0.offset_In-1376602641 (_ bv0 32))) (.cse4 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1376602641|)) (.cse1 (= ~v~0.base_In-1376602641 (_ bv0 32)))) (or (let ((.cse3 (not |ULTIMATE.start_main_#t~short13_Out-1376602641|))) (and (or (not .cse0) (not .cse1)) (= |ULTIMATE.start_main_#t~mem12_Out-1376602641| ((_ extract 7 0) (select (select |#memory_int_In-1376602641| ~v~0.base_In-1376602641) ~v~0.offset_In-1376602641))) (let ((.cse2 (= ((_ sign_extend 24) |ULTIMATE.start_main_#t~mem12_Out-1376602641|) (_ bv66 32)))) (or (and |ULTIMATE.start_main_#t~short13_Out-1376602641| .cse2) (and (not .cse2) .cse3))) (or (and |ULTIMATE.start_main_#t~short13_Out-1376602641| .cse4) (and (= (_ bv0 32) |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1376602641|) .cse3)))) (and (= |ULTIMATE.start_main_#t~mem12_In-1376602641| |ULTIMATE.start_main_#t~mem12_Out-1376602641|) .cse0 |ULTIMATE.start_main_#t~short13_Out-1376602641| .cse4 .cse1))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-1376602641|, ~v~0.offset=~v~0.offset_In-1376602641, #memory_int=|#memory_int_In-1376602641|, ~v~0.base=~v~0.base_In-1376602641} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-1376602641|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1376602641, ~v~0.offset=~v~0.offset_In-1376602641, #memory_int=|#memory_int_In-1376602641|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-1376602641|, ~v~0.base=~v~0.base_In-1376602641, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1376602641|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-11-28 03:18:02,267 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,268 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,268 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,269 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,269 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,269 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,270 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,270 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,270 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,271 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,271 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,271 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,272 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,273 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,273 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-28 03:18:02,273 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,274 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,274 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-28 03:18:02,274 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-28 03:18:02,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:18:02 BasicIcfg [2020-11-28 03:18:02,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:18:02,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:02,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:02,316 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:02,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:56" (3/4) ... [2020-11-28 03:18:02,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:18:02,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:02,322 INFO L168 Benchmark]: Toolchain (without parser) took 7709.00 ms. Allocated memory was 48.2 MB in the beginning and 88.1 MB in the end (delta: 39.8 MB). Free memory was 31.8 MB in the beginning and 31.3 MB in the end (delta: 489.2 kB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:02,322 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:02,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1078.70 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 31.5 MB in the beginning and 51.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:02,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.79 ms. Allocated memory is still 73.4 MB. Free memory was 51.4 MB in the beginning and 48.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:02,326 INFO L168 Benchmark]: Boogie Preprocessor took 74.76 ms. Allocated memory is still 73.4 MB. Free memory was 48.8 MB in the beginning and 47.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:02,327 INFO L168 Benchmark]: RCFGBuilder took 556.80 ms. Allocated memory is still 73.4 MB. Free memory was 46.7 MB in the beginning and 50.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:02,329 INFO L168 Benchmark]: TraceAbstraction took 5905.00 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 50.1 MB in the beginning and 31.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:02,335 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 88.1 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:02,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory is still 29.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1078.70 ms. Allocated memory was 48.2 MB in the beginning and 73.4 MB in the end (delta: 25.2 MB). Free memory was 31.5 MB in the beginning and 51.4 MB in the end (delta: -19.9 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.79 ms. Allocated memory is still 73.4 MB. Free memory was 51.4 MB in the beginning and 48.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.76 ms. Allocated memory is still 73.4 MB. Free memory was 48.8 MB in the beginning and 47.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 556.80 ms. Allocated memory is still 73.4 MB. Free memory was 46.7 MB in the beginning and 50.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5905.00 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 50.1 MB in the beginning and 31.3 MB in the end (delta: 18.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.16 ms. Allocated memory is still 88.1 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 74 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 9 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.5s, 79 PlacesBefore, 24 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 84 TotalNumberOfCompositions, 206 MoverChecksTotal - UnprovableResult [Line: 20]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...