./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:28,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:28,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:28,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:28,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:28,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:28,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:28,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:28,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:28,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:28,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:28,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:28,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:28,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:28,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:28,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:28,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:28,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:28,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:28,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:28,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:28,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:28,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:28,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:28,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:28,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:28,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:28,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:28,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:28,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:28,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:28,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:28,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:28,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:28,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:28,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:28,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:28,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:28,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:28,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:28,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:28,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:15:28,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:28,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:28,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:15:28,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:15:28,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:28,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:28,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:28,330 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:28,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:15:28,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:28,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:28,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:15:28,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:28,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:15:28,339 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:28,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:15:28,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:28,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:15:28,340 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:28,340 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:28,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:28,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:28,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:28,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:28,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:15:28,342 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:15:28,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:15:28,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:15:28,342 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_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2021-11-23 01:15:28,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:28,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:28,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:28,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:28,649 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:28,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-11-23 01:15:28,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/4f8d7b1e8/5252c8f6c77c433291074b1290503987/FLAG3081940c7 [2021-11-23 01:15:29,249 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:29,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-11-23 01:15:29,258 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/4f8d7b1e8/5252c8f6c77c433291074b1290503987/FLAG3081940c7 [2021-11-23 01:15:29,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/4f8d7b1e8/5252c8f6c77c433291074b1290503987 [2021-11-23 01:15:29,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:29,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:29,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:29,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:29,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:29,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:29,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139b0e61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29, skipping insertion in model container [2021-11-23 01:15:29,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:29,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:29,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:29,922 WARN L230 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_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-11-23 01:15:29,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:29,946 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:29,978 WARN L230 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_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-11-23 01:15:29,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:29,998 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:29,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29 WrapperNode [2021-11-23 01:15:29,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:30,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:30,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:30,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:30,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,031 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,056 INFO L137 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2021-11-23 01:15:30,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:30,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:30,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:30,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:30,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:30,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:30,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:30,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:30,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:29" (1/1) ... [2021-11-23 01:15:30,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:30,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:30,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:30,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:15:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:15:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:15:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:15:30,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:15:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:15:30,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:15:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:15:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:15:30,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:15:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:15:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:15:30,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:30,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:15:30,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:15:30,183 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:15:30,272 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:30,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:30,475 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:30,567 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:30,568 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:15:30,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:30 BoogieIcfgContainer [2021-11-23 01:15:30,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:30,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:30,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:30,585 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:30,585 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:30" (1/1) ... [2021-11-23 01:15:30,586 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:15:30,596 INFO L158 Benchmark]: Toolchain (without parser) took 1025.25ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.6MB in the beginning and 64.4MB in the end (delta: -14.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 01:15:30,598 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:30,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.89ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.4MB in the beginning and 82.3MB in the end (delta: -32.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 01:15:30,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:30,602 INFO L158 Benchmark]: Boogie Preprocessor took 39.11ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:15:30,603 INFO L158 Benchmark]: RCFGBuilder took 475.65ms. Allocated memory is still 107.0MB. Free memory was 79.3MB in the beginning and 65.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:15:30,604 INFO L158 Benchmark]: CodeCheck took 19.13ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 64.6MB in the end (delta: 863.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:30,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 86.0MB. Free memory was 65.8MB in the beginning and 65.8MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.89ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 49.4MB in the beginning and 82.3MB in the end (delta: -32.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.11ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 79.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.65ms. Allocated memory is still 107.0MB. Free memory was 79.3MB in the beginning and 65.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 19.13ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 64.6MB in the end (delta: 863.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:15:30,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:33,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:33,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:33,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:33,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:33,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:33,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:33,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:33,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:33,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:33,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:33,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:33,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:33,837 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:33,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:33,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:33,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:33,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:33,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:33,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:33,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:33,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:33,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:33,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:33,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:33,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:33,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:33,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:33,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:33,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:33,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:33,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:33,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:33,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:33,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:33,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:33,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:33,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:33,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:33,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:33,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:33,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:15:33,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:33,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:33,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:15:33,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:15:33,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:33,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:33,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:33,970 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:33,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:33,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:33,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:15:33,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:33,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:15:33,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:15:33,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:15:33,974 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:15:33,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:33,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:15:33,976 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:33,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:15:33,976 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:33,977 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:33,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:33,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:33,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:33,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:33,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:15:33,979 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:15:33,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:15:33,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:15:33,980 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:15:33,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:15:33,982 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2021-11-23 01:15:34,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:34,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:34,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:34,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:34,549 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:34,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-11-23 01:15:34,654 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/b46477ef5/a3f8ec52e48f4a5181287d505e44b01b/FLAGe57a14b93 [2021-11-23 01:15:35,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:35,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-11-23 01:15:35,380 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/b46477ef5/a3f8ec52e48f4a5181287d505e44b01b/FLAGe57a14b93 [2021-11-23 01:15:35,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/data/b46477ef5/a3f8ec52e48f4a5181287d505e44b01b [2021-11-23 01:15:35,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:35,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:35,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:35,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:35,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:35,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1649b079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35, skipping insertion in model container [2021-11-23 01:15:35,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:35,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:35,879 WARN L230 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_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-11-23 01:15:35,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:35,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:35,918 WARN L230 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_69636f73-a983-4f2b-87a3-6fe9ba926543/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-11-23 01:15:35,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:35,934 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:35,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35 WrapperNode [2021-11-23 01:15:35,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:35,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:35,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:35,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:35,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,971 INFO L137 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2021-11-23 01:15:35,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:35,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:35,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:35,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:35,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:35,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:36,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:36,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:36,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:36,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:36,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:35" (1/1) ... [2021-11-23 01:15:36,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:36,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:36,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:36,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:15:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:15:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:15:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:15:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:15:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:36,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:36,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:15:36,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:15:36,119 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:15:36,220 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:36,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:36,546 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:36,623 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:36,623 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:15:36,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:36 BoogieIcfgContainer [2021-11-23 01:15:36,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:36,630 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:36,631 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:36,642 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:36,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:36" (1/1) ... [2021-11-23 01:15:36,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:15:36,650 INFO L158 Benchmark]: Toolchain (without parser) took 964.83ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 39.7MB in the end (delta: 10.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 01:15:36,651 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:36,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.35ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 39.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:15:36,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.27ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 37.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:36,657 INFO L158 Benchmark]: Boogie Preprocessor took 29.93ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:36,659 INFO L158 Benchmark]: RCFGBuilder took 626.12ms. Allocated memory is still 69.2MB. Free memory was 36.1MB in the beginning and 40.8MB in the end (delta: -4.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 01:15:36,660 INFO L158 Benchmark]: CodeCheck took 16.29ms. Allocated memory is still 69.2MB. Free memory was 40.6MB in the beginning and 39.7MB in the end (delta: 842.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:36,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.35ms. Allocated memory is still 69.2MB. Free memory was 50.3MB in the beginning and 39.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.27ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 37.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.93ms. Allocated memory is still 69.2MB. Free memory was 37.4MB in the beginning and 36.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.12ms. Allocated memory is still 69.2MB. Free memory was 36.1MB in the beginning and 40.8MB in the end (delta: -4.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * CodeCheck took 16.29ms. Allocated memory is still 69.2MB. Free memory was 40.6MB in the beginning and 39.7MB in the end (delta: 842.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:15:36,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69636f73-a983-4f2b-87a3-6fe9ba926543/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported