./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-e943c26 [2021-10-24 10:04:17,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:04:17,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:04:17,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:04:17,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:04:17,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:04:17,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:04:17,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:04:17,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:04:17,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:04:17,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:04:17,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:04:17,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:04:17,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:04:17,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:04:17,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:04:17,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:04:17,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:04:17,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:04:17,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:04:17,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:04:17,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:04:17,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:04:17,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:04:17,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:04:17,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:04:17,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:04:17,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:04:17,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:04:17,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:04:17,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:04:17,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:04:17,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:04:17,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:04:17,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:04:17,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:04:17,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:04:17,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:04:17,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:04:17,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:04:17,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:04:17,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 10:04:17,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:04:17,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:04:17,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:04:17,734 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:04:17,734 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:04:17,734 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:04:17,735 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:04:17,735 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:04:17,735 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:04:17,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:04:17,744 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:04:17,745 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:04:17,745 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:04:17,745 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:04:17,746 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:04:17,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:04:17,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 10:04:17,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:04:17,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 10:04:17,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:04:17,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:04:17,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:04:17,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:04:17,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:04:17,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 10:04:17,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:04:17,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:04:17,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:04:17,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:04:17,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:04:17,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:04:17,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:04:17,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:04:17,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:04:17,754 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:04:17,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:04:17,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:04:17,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:04:17,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:04:17,755 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f85a81c281496cbdf0eab98e129af733fe18998c76267e6089945bdfc7c0c54 [2021-10-24 10:04:18,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:04:18,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:04:18,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:04:18,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:04:18,134 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:04:18,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/pthread/bigshot_p.i [2021-10-24 10:04:18,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/data/32340b62a/915ab4b704a146ec985b9d1c87573f1c/FLAGf9025cba5 [2021-10-24 10:04:18,970 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:04:18,971 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/sv-benchmarks/c/pthread/bigshot_p.i [2021-10-24 10:04:19,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/data/32340b62a/915ab4b704a146ec985b9d1c87573f1c/FLAGf9025cba5 [2021-10-24 10:04:19,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/data/32340b62a/915ab4b704a146ec985b9d1c87573f1c [2021-10-24 10:04:19,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:04:19,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:04:19,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:04:19,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:04:19,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:04:19,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:19" (1/1) ... [2021-10-24 10:04:19,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a3fa30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:19, skipping insertion in model container [2021-10-24 10:04:19,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:04:19" (1/1) ... [2021-10-24 10:04:19,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:04:19,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:04:19,961 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2021-10-24 10:04:19,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:04:20,006 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 10:04:20,085 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/sv-benchmarks/c/pthread/bigshot_p.i[55202,55215] [2021-10-24 10:04:20,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 10:04:20,212 INFO L208 MainTranslator]: Completed translation [2021-10-24 10:04:20,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20 WrapperNode [2021-10-24 10:04:20,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:04:20,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 10:04:20,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 10:04:20,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 10:04:20,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 10:04:20,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 10:04:20,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 10:04:20,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 10:04:20,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 10:04:20,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 10:04:20,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 10:04:20,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 10:04:20,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (1/1) ... [2021-10-24 10:04:20,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:04:20,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 10:04:20,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 10:04:20,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 10:04:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 10:04:20,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 10:04:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-24 10:04:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 10:04:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-24 10:04:20,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-24 10:04:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-24 10:04:20,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-24 10:04:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 10:04:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 10:04:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 10:04:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 10:04:20,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 10:04:20,521 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-24 10:04:20,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 10:04:20,999 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-24 10:04:21,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:21 BoogieIcfgContainer [2021-10-24 10:04:21,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 10:04:21,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 10:04:21,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 10:04:21,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 10:04:21,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:04:19" (1/3) ... [2021-10-24 10:04:21,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fedccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:21, skipping insertion in model container [2021-10-24 10:04:21,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:04:20" (2/3) ... [2021-10-24 10:04:21,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71fedccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:04:21, skipping insertion in model container [2021-10-24 10:04:21,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:21" (3/3) ... [2021-10-24 10:04:21,013 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_p.i [2021-10-24 10:04:21,019 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-24 10:04:21,020 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 10:04:21,020 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 10:04:21,020 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-24 10:04:21,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,057 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,058 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,061 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,062 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,063 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,064 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,067 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,067 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,068 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,068 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,068 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,069 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,069 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,070 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,071 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,072 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,073 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,078 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,079 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,080 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,083 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,084 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,085 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,086 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,086 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,086 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,087 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,087 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,087 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,088 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,088 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,088 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,089 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,093 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#product| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,094 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#sizeOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,095 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#amountOfFields| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#Ultimate.meminit_#ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,104 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,104 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,105 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,106 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,107 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,107 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,108 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-24 10:04:21,122 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-24 10:04:21,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 10:04:21,222 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 10:04:21,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-24 10:04:21,257 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-24 10:04:21,275 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 81 transitions, 178 flow [2021-10-24 10:04:21,279 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 81 transitions, 178 flow [2021-10-24 10:04:21,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 81 transitions, 178 flow [2021-10-24 10:04:21,364 INFO L129 PetriNetUnfolder]: 5/79 cut-off events. [2021-10-24 10:04:21,364 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-24 10:04:21,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 79 events. 5/79 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2021-10-24 10:04:21,378 INFO L116 LiptonReduction]: Number of co-enabled transitions 620 [2021-10-24 10:04:26,296 INFO L131 LiptonReduction]: Checked pairs total: 1268 [2021-10-24 10:04:26,296 INFO L133 LiptonReduction]: Total number of compositions: 76 [2021-10-24 10:04:26,306 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 58 flow [2021-10-24 10:04:26,321 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:04:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 2.3469387755102042) internal successors, (115), 49 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 10:04:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-24 10:04:26,333 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 10:04:26,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 10:04:26,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-24 10:04:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 10:04:26,341 INFO L82 PathProgramCache]: Analyzing trace with hash 259764147, now seen corresponding path program 1 times [2021-10-24 10:04:26,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 10:04:26,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968938839] [2021-10-24 10:04:26,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 10:04:26,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 10:04:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:04:26,560 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 10:04:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 10:04:26,705 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 10:04:26,707 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 10:04:26,709 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 10:04:26,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-24 10:04:26,711 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-24 10:04:26,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 10:04:26,719 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-24 10:04:26,719 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 10:04:26,737 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,738 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,738 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,739 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,740 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,740 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,741 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,741 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,742 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,742 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,743 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,743 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,744 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,744 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:04:26 BasicIcfg [2021-10-24 10:04:26,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 10:04:26,770 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 10:04:26,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 10:04:26,770 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 10:04:26,772 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:04:21" (3/4) ... [2021-10-24 10:04:26,774 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 10:04:26,797 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,798 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,798 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,798 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,800 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,800 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,800 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,801 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-24 10:04:26,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 10:04:26,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 10:04:26,883 INFO L168 Benchmark]: Toolchain (without parser) took 7716.81 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 72.5 MB in the beginning and 63.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 36.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,884 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 50.7 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:04:26,884 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1040.55 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 64.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.34 ms. Allocated memory is still 109.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,886 INFO L168 Benchmark]: Boogie Preprocessor took 67.39 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 60.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,886 INFO L168 Benchmark]: RCFGBuilder took 615.61 ms. Allocated memory is still 109.1 MB. Free memory was 60.6 MB in the beginning and 47.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,887 INFO L168 Benchmark]: TraceAbstraction took 5765.53 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 47.0 MB in the beginning and 67.2 MB in the end (delta: -20.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,887 INFO L168 Benchmark]: Witness Printer took 111.06 ms. Allocated memory is still 136.3 MB. Free memory was 67.2 MB in the beginning and 63.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-24 10:04:26,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 50.7 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1040.55 ms. Allocated memory is still 109.1 MB. Free memory was 72.3 MB in the beginning and 64.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.34 ms. Allocated memory is still 109.1 MB. Free memory was 64.3 MB in the beginning and 62.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.39 ms. Allocated memory is still 109.1 MB. Free memory was 62.2 MB in the beginning and 60.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 615.61 ms. Allocated memory is still 109.1 MB. Free memory was 60.6 MB in the beginning and 47.5 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5765.53 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 47.0 MB in the beginning and 67.2 MB in the end (delta: -20.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Witness Printer took 111.06 ms. Allocated memory is still 136.3 MB. Free memory was 67.2 MB in the beginning and 63.0 MB in the end (delta: 4.2 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5017.0ms, 83 PlacesBefore, 25 PlacesAfterwards, 81 TransitionsBefore, 21 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 76 TotalNumberOfCompositions, 1268 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 785, positive: 698, positive conditional: 0, positive unconditional: 698, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 468, positive: 437, positive conditional: 0, positive unconditional: 437, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 468, positive: 436, positive conditional: 0, positive unconditional: 436, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 785, positive: 261, positive conditional: 0, positive unconditional: 261, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 468, unknown conditional: 0, unknown unconditional: 468] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 32, Positive conditional cache size: 0, Positive unconditional cache size: 32, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1107]: a call to reach_error is reachable a call to reach_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; [L1111] 1 v = calloc(8, sizeof(char)) [L1112] 1 return 0; [L1124] 0 \read(t1) VAL [v={-3:0}] [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}] [L1126] 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] 0 !v || v[0] == 'B' [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [v={-3:0}] - UnprovableResult [Line: 1122]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1123]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5507.7ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 10.3ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5099.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 9.1ms SsaConstructionTime, 94.1ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-10-24 10:04:26,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c350903-720a-4cb3-816a-e35d03a8b3e4/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...