./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_p.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_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/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 748732c6f5c08b2880e141a0c898c1cec9ceb1c0 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:58:11,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:58:11,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:58:11,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:58:11,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:58:11,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:58:11,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:58:11,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:58:11,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:58:11,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:58:11,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:58:11,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:58:11,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:58:11,959 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:58:11,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:58:11,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:58:11,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:58:11,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:58:11,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:58:11,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:58:11,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:58:11,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:58:11,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:58:11,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:58:12,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:58:12,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:58:12,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:58:12,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:58:12,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:58:12,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:58:12,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:58:12,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:58:12,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:58:12,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:58:12,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:58:12,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:58:12,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:58:12,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:58:12,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:58:12,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:58:12,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:58:12,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:58:12,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:58:12,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:58:12,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:58:12,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:58:12,073 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:58:12,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:58:12,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:58:12,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:58:12,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:58:12,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:58:12,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:58:12,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:58:12,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:58:12,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:58:12,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:58:12,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:58:12,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:58:12,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:58:12,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:58:12,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:58:12,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:58:12,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:58:12,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:58:12,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:58:12,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:58:12,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:58:12,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:58:12,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:58:12,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:58:12,081 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_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 748732c6f5c08b2880e141a0c898c1cec9ceb1c0 [2020-11-29 23:58:12,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:58:12,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:58:12,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:58:12,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:58:12,412 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:58:12,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_p.i [2020-11-29 23:58:12,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/data/dde261c8f/2d5453c434134743a490c11cf73b4d12/FLAGcc70d3ae5 [2020-11-29 23:58:13,151 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:58:13,152 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/sv-benchmarks/c/pthread/bigshot_p.i [2020-11-29 23:58:13,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/data/dde261c8f/2d5453c434134743a490c11cf73b4d12/FLAGcc70d3ae5 [2020-11-29 23:58:13,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/data/dde261c8f/2d5453c434134743a490c11cf73b4d12 [2020-11-29 23:58:13,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:58:13,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:58:13,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:13,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:58:13,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:58:13,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:13" (1/1) ... [2020-11-29 23:58:13,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdbf841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:13, skipping insertion in model container [2020-11-29 23:58:13,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:58:13" (1/1) ... [2020-11-29 23:58:13,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:58:13,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:58:14,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:14,273 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:58:14,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:58:14,581 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:58:14,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14 WrapperNode [2020-11-29 23:58:14,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:58:14,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:14,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:58:14,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:58:14,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:58:14,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:58:14,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:58:14,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:58:14,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... [2020-11-29 23:58:14,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:58:14,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:58:14,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:58:14,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:58:14,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/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 [2020-11-29 23:58:14,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:58:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 23:58:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-29 23:58:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 23:58:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-29 23:58:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-29 23:58:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-29 23:58:14,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-29 23:58:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 23:58:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 23:58:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:58:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:58:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:58:14,831 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-29 23:58:15,336 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:58:15,336 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-29 23:58:15,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:15 BoogieIcfgContainer [2020-11-29 23:58:15,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:58:15,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:58:15,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:58:15,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:58:15,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:58:13" (1/3) ... [2020-11-29 23:58:15,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cda6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:58:15, skipping insertion in model container [2020-11-29 23:58:15,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:58:14" (2/3) ... [2020-11-29 23:58:15,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cda6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:58:15, skipping insertion in model container [2020-11-29 23:58:15,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:15" (3/3) ... [2020-11-29 23:58:15,360 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2020-11-29 23:58:15,372 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-29 23:58:15,374 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:58:15,380 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:58:15,382 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-29 23:58:15,424 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,425 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,425 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,425 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,426 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,426 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,427 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,428 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,429 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,429 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,430 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,431 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,434 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,435 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,436 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,436 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,437 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,438 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,439 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,440 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,441 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,442 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,447 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,448 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,451 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,451 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,452 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,454 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,454 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,455 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,456 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,465 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,465 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,466 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,467 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,467 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,467 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-29 23:58:15,485 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-29 23:58:15,500 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 23:58:15,536 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:58:15,538 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:58:15,539 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:58:15,539 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:58:15,539 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:58:15,539 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:58:15,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:58:15,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:58:15,558 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-29 23:58:15,563 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 81 transitions, 184 flow [2020-11-29 23:58:15,568 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 81 transitions, 184 flow [2020-11-29 23:58:15,570 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 80 places, 81 transitions, 184 flow [2020-11-29 23:58:15,647 INFO L129 PetriNetUnfolder]: 7/81 cut-off events. [2020-11-29 23:58:15,647 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-11-29 23:58:15,651 INFO L80 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 81 events. 7/81 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 101 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 50. Up to 3 conditions per place. [2020-11-29 23:58:15,653 INFO L116 LiptonReduction]: Number of co-enabled transitions 568 [2020-11-29 23:58:18,038 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-11-29 23:58:18,148 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 23:58:18,401 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-29 23:58:19,095 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-11-29 23:58:19,304 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-29 23:58:19,324 INFO L131 LiptonReduction]: Checked pairs total: 1638 [2020-11-29 23:58:19,325 INFO L133 LiptonReduction]: Total number of compositions: 76 [2020-11-29 23:58:19,330 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 25 transitions, 72 flow [2020-11-29 23:58:19,341 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 66 states. [2020-11-29 23:58:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-29 23:58:19,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:58:19,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:19,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:19,352 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:19,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:19,359 INFO L82 PathProgramCache]: Analyzing trace with hash -830216420, now seen corresponding path program 1 times [2020-11-29 23:58:19,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:19,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409312442] [2020-11-29 23:58:19,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:58:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:58:19,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409312442] [2020-11-29 23:58:19,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:58:19,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-29 23:58:19,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716795576] [2020-11-29 23:58:19,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-29 23:58:19,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:58:19,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-29 23:58:19,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-29 23:58:19,768 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 7 states. [2020-11-29 23:58:20,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:58:20,025 INFO L93 Difference]: Finished difference Result 89 states and 167 transitions. [2020-11-29 23:58:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-29 23:58:20,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-11-29 23:58:20,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:58:20,044 INFO L225 Difference]: With dead ends: 89 [2020-11-29 23:58:20,044 INFO L226 Difference]: Without dead ends: 79 [2020-11-29 23:58:20,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-29 23:58:20,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-29 23:58:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 71. [2020-11-29 23:58:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-29 23:58:20,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 143 transitions. [2020-11-29 23:58:20,113 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 143 transitions. Word has length 14 [2020-11-29 23:58:20,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:58:20,114 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 143 transitions. [2020-11-29 23:58:20,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-29 23:58:20,115 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 143 transitions. [2020-11-29 23:58:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:58:20,118 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:58:20,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:58:20,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 23:58:20,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:58:20,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:58:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash 851826358, now seen corresponding path program 1 times [2020-11-29 23:58:20,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:58:20,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058341283] [2020-11-29 23:58:20,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:58:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:20,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:58:20,264 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:58:20,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:58:20,311 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 23:58:20,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 23:58:20,313 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-29 23:58:20,323 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [281] [281] L1126-->L1107-1: Formula: (let ((.cse3 (= ULTIMATE.start___VERIFIER_assert_~expression_Out-65165264 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264|)) (.cse0 (= 0 ~v~0.offset_In-65165264)) (.cse2 (= ~v~0.base_In-65165264 0)) (.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_#t~mem12_In-65165264| |ULTIMATE.start_main_#t~mem12_Out-65165264|) .cse2 .cse3 |ULTIMATE.start_main_#t~short13_Out-65165264|) (let ((.cse5 (not |ULTIMATE.start_main_#t~short13_Out-65165264|))) (and (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem12_Out-65165264|))) (or (and .cse4 |ULTIMATE.start_main_#t~short13_Out-65165264|) (and (not .cse4) .cse5))) (= |ULTIMATE.start_main_#t~mem12_Out-65165264| (select (select |#memory_int_In-65165264| ~v~0.base_In-65165264) ~v~0.offset_In-65165264)) .cse3 (or (not .cse0) (not .cse2)) (or (and .cse1 |ULTIMATE.start_main_#t~short13_Out-65165264|) (and .cse5 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264| 0))))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-65165264|, ~v~0.offset=~v~0.offset_In-65165264, #memory_int=|#memory_int_In-65165264|, ~v~0.base=~v~0.base_In-65165264} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-65165264|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-65165264, ~v~0.offset=~v~0.offset_In-65165264, #memory_int=|#memory_int_In-65165264|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-65165264|, ~v~0.base=~v~0.base_In-65165264, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264|} 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 [2020-11-29 23:58:20,335 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,345 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,350 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,352 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,353 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,354 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,356 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,360 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,361 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,362 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,368 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,369 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,370 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,370 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,371 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:58:20 BasicIcfg [2020-11-29 23:58:20,391 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:58:20,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:58:20,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:58:20,392 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:58:20,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:58:15" (3/4) ... [2020-11-29 23:58:20,395 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:58:20,402 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [281] [281] L1126-->L1107-1: Formula: (let ((.cse3 (= ULTIMATE.start___VERIFIER_assert_~expression_Out-65165264 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264|)) (.cse0 (= 0 ~v~0.offset_In-65165264)) (.cse2 (= ~v~0.base_In-65165264 0)) (.cse1 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264| 1))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_#t~mem12_In-65165264| |ULTIMATE.start_main_#t~mem12_Out-65165264|) .cse2 .cse3 |ULTIMATE.start_main_#t~short13_Out-65165264|) (let ((.cse5 (not |ULTIMATE.start_main_#t~short13_Out-65165264|))) (and (let ((.cse4 (= 66 |ULTIMATE.start_main_#t~mem12_Out-65165264|))) (or (and .cse4 |ULTIMATE.start_main_#t~short13_Out-65165264|) (and (not .cse4) .cse5))) (= |ULTIMATE.start_main_#t~mem12_Out-65165264| (select (select |#memory_int_In-65165264| ~v~0.base_In-65165264) ~v~0.offset_In-65165264)) .cse3 (or (not .cse0) (not .cse2)) (or (and .cse1 |ULTIMATE.start_main_#t~short13_Out-65165264|) (and .cse5 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264| 0))))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-65165264|, ~v~0.offset=~v~0.offset_In-65165264, #memory_int=|#memory_int_In-65165264|, ~v~0.base=~v~0.base_In-65165264} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-65165264|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-65165264, ~v~0.offset=~v~0.offset_In-65165264, #memory_int=|#memory_int_In-65165264|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-65165264|, ~v~0.base=~v~0.base_In-65165264, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-65165264|} 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 [2020-11-29 23:58:20,406 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,406 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,407 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,407 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,407 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,408 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,408 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,408 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,409 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,409 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,410 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,410 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,411 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,411 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,412 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,412 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,412 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,413 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,413 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,414 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2020-11-29 23:58:20,462 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ccb3ae8f-7a73-4fa0-9ac5-4fb87d7b2dfd/bin/uautomizer/witness.graphml [2020-11-29 23:58:20,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:58:20,464 INFO L168 Benchmark]: Toolchain (without parser) took 7060.24 ms. Allocated memory was 102.8 MB in the beginning and 157.3 MB in the end (delta: 54.5 MB). Free memory was 73.0 MB in the beginning and 48.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 78.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,465 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:58:20,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1179.05 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 73.0 MB in the beginning and 101.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.00 ms. Allocated memory is still 130.0 MB. Free memory was 101.7 MB in the beginning and 99.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,468 INFO L168 Benchmark]: Boogie Preprocessor took 61.43 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,469 INFO L168 Benchmark]: RCFGBuilder took 603.35 ms. Allocated memory is still 130.0 MB. Free memory was 98.1 MB in the beginning and 73.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,470 INFO L168 Benchmark]: TraceAbstraction took 5050.74 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 73.0 MB in the beginning and 53.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,470 INFO L168 Benchmark]: Witness Printer took 70.61 ms. Allocated memory is still 157.3 MB. Free memory was 53.7 MB in the beginning and 48.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:58:20,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 61.6 MB in the beginning and 61.5 MB in the end (delta: 54.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1179.05 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 73.0 MB in the beginning and 101.7 MB in the end (delta: -28.7 MB). Peak memory consumption was 54.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.00 ms. Allocated memory is still 130.0 MB. Free memory was 101.7 MB in the beginning and 99.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.43 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 98.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 603.35 ms. Allocated memory is still 130.0 MB. Free memory was 98.1 MB in the beginning and 73.7 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5050.74 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 73.0 MB in the beginning and 53.7 MB in the end (delta: 19.3 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. * Witness Printer took 70.61 ms. Allocated memory is still 157.3 MB. Free memory was 53.7 MB in the beginning and 48.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. 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.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 430 VarBasedMoverChecksPositive, 33 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 31 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 60 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 80 PlacesBefore, 27 PlacesAfterwards, 81 TransitionsBefore, 25 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 5 FixpointIterations, 35 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 12 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 76 TotalNumberOfCompositions, 1638 MoverChecksTotal - CounterExampleResult [Line: 20]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [v={0:0}] [L1123] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [v={0:0}] [L1116] COND FALSE 2 !(\read(*v)) [L1117] 2 return 0; [L1124] 0 \read(t1) VAL [v={0:0}] [L1111] 1 v = calloc(8, sizeof(char)) [L1112] 1 return 0; [L1124] FCALL, JOIN 1 pthread_join(t1, 0) VAL [v={3:0}] [L1125] 0 \read(t2) VAL [v={3:0}] [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [v={3:0}] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_p.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [v={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 15 SDtfs, 73 SDslu, 16 SDs, 0 SdLazy, 58 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=1, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 1196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...