./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:40:38,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:40:38,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:40:38,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:40:38,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:40:38,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:40:38,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:40:38,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:40:38,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:40:38,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:40:38,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:40:38,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:40:38,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:40:38,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:40:38,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:40:38,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:40:38,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:40:38,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:40:38,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:40:38,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:40:38,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:40:38,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:40:38,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:40:38,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:40:38,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:40:38,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:40:38,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:40:38,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:40:38,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:40:38,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:40:38,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:40:38,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:40:38,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:40:38,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:40:38,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:40:38,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:40:38,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:40:38,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:40:38,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:40:38,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:40:38,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:40:38,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:40:38,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:40:38,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:40:38,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:40:38,294 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:40:38,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:40:38,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:40:38,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:40:38,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:40:38,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:40:38,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:40:38,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:40:38,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:40:38,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:40:38,298 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:40:38,298 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:40:38,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:40:38,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:38,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:40:38,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:40:38,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:40:38,299 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:40:38,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:40:38,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:40:38,300 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2021-11-23 00:40:38,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:40:38,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:40:38,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:40:38,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:40:38,626 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:40:38,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-23 00:40:38,698 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/9449cf390/c39bb36a8e244e4eb59435b03d6127f7/FLAGec78a5145 [2021-11-23 00:40:39,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:40:39,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-23 00:40:39,228 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/9449cf390/c39bb36a8e244e4eb59435b03d6127f7/FLAGec78a5145 [2021-11-23 00:40:39,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/9449cf390/c39bb36a8e244e4eb59435b03d6127f7 [2021-11-23 00:40:39,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:40:39,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:40:39,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:39,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:40:39,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:40:39,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:39,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147cd271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39, skipping insertion in model container [2021-11-23 00:40:39,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:39,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:40:39,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:40:39,940 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-23 00:40:39,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:39,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:40:39,975 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-23 00:40:39,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:39,991 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:40:39,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39 WrapperNode [2021-11-23 00:40:39,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:39,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:39,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:40:39,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:40:40,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,030 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2021-11-23 00:40:40,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:40,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:40:40,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:40:40,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:40:40,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:40:40,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:40:40,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:40:40,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:40:40,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:39" (1/1) ... [2021-11-23 00:40:40,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:40,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:40:40,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:40:40,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:40:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:40:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:40:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:40:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:40:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:40:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:40:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:40:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:40:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:40:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:40:40,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:40:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:40:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:40:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:40:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:40:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:40:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:40:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:40:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:40:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:40:40,177 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 00:40:40,295 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:40:40,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:40:40,582 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:40:40,634 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:40:40,634 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:40:40,635 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 00:40:40,636 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 00:40:40,641 INFO L158 Benchmark]: Toolchain (without parser) took 923.82ms. Allocated memory is still 96.5MB. Free memory was 70.4MB in the beginning and 41.1MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 00:40:40,641 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:40,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.07ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:40:40,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.37ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 57.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:40:40,644 INFO L158 Benchmark]: Boogie Preprocessor took 32.50ms. Allocated memory is still 96.5MB. Free memory was 57.9MB in the beginning and 56.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:40,645 INFO L158 Benchmark]: RCFGBuilder took 574.75ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 41.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:40:40,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.07ms. Allocated memory is still 96.5MB. Free memory was 70.2MB in the beginning and 59.6MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.37ms. Allocated memory is still 96.5MB. Free memory was 59.5MB in the beginning and 57.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.50ms. Allocated memory is still 96.5MB. Free memory was 57.9MB in the beginning and 56.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 574.75ms. Allocated memory is still 96.5MB. Free memory was 56.5MB in the beginning and 41.1MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:40:40,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:40:43,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:40:43,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:40:43,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:40:43,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:40:43,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:40:43,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:40:43,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:40:43,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:40:43,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:40:43,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:40:43,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:40:43,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:40:43,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:40:43,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:40:43,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:40:43,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:40:43,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:40:43,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:40:43,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:40:43,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:40:43,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:40:43,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:40:43,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:40:43,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:40:43,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:40:43,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:40:43,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:40:43,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:40:43,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:40:43,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:40:43,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:40:43,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:40:43,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:40:43,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:40:43,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:40:43,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:40:43,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:40:43,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:40:43,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:40:43,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:40:43,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:40:43,366 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:40:43,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:40:43,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:40:43,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:40:43,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:40:43,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:40:43,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:40:43,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:40:43,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:40:43,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:40:43,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:40:43,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:40:43,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:40:43,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:40:43,373 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:40:43,373 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:40:43,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:40:43,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:40:43,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:40:43,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:40:43,374 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:40:43,374 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:40:43,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:40:43,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:43,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:40:43,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:40:43,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:40:43,375 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:40:43,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:40:43,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:40:43,376 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:40:43,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:40:43,377 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2021-11-23 00:40:43,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:40:43,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:40:43,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:40:43,797 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:40:43,799 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:40:43,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-23 00:40:43,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/d36c376e7/3bc6da624b914b60a11a8e384c01e12e/FLAG186c8437e [2021-11-23 00:40:44,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:40:44,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-23 00:40:44,438 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/d36c376e7/3bc6da624b914b60a11a8e384c01e12e/FLAG186c8437e [2021-11-23 00:40:44,748 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/data/d36c376e7/3bc6da624b914b60a11a8e384c01e12e [2021-11-23 00:40:44,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:40:44,751 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:40:44,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:44,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:40:44,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:40:44,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:44" (1/1) ... [2021-11-23 00:40:44,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6c3d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:44, skipping insertion in model container [2021-11-23 00:40:44,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:40:44" (1/1) ... [2021-11-23 00:40:44,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:40:44,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:40:44,958 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-23 00:40:44,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:44,988 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:40:45,035 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_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-23 00:40:45,036 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:40:45,056 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:40:45,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45 WrapperNode [2021-11-23 00:40:45,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:40:45,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:45,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:40:45,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:40:45,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,104 INFO L137 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-11-23 00:40:45,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:40:45,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:40:45,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:40:45,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:40:45,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:40:45,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:40:45,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:40:45,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:40:45,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:40:45" (1/1) ... [2021-11-23 00:40:45,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:40:45,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:40:45,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:40:45,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:40:45,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:40:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:40:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:40:45,233 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:40:45,233 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:40:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 00:40:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 00:40:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:40:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 00:40:45,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 00:40:45,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:40:45,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:40:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:40:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:40:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:40:45,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:40:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:40:45,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:40:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:40:45,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:40:45,238 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 00:40:45,328 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:40:45,330 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:40:45,668 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:40:45,770 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:40:45,771 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:40:45,773 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 00:40:45,774 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 00:40:45,780 INFO L158 Benchmark]: Toolchain (without parser) took 1026.85ms. Allocated memory is still 60.8MB. Free memory was 40.2MB in the beginning and 29.1MB in the end (delta: 11.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-23 00:40:45,781 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:45,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.41ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 28.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:40:45,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.98ms. Allocated memory is still 60.8MB. Free memory was 28.7MB in the beginning and 27.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:40:45,785 INFO L158 Benchmark]: Boogie Preprocessor took 41.81ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 25.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:40:45,786 INFO L158 Benchmark]: RCFGBuilder took 629.46ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 29.1MB in the end (delta: -3.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 00:40:45,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.41ms. Allocated memory is still 60.8MB. Free memory was 39.9MB in the beginning and 28.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.98ms. Allocated memory is still 60.8MB. Free memory was 28.7MB in the beginning and 27.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.81ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 25.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.46ms. Allocated memory is still 60.8MB. Free memory was 25.6MB in the beginning and 29.1MB in the end (delta: -3.5MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:40:45,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951d0d0d-d232-489f-adc8-fcfb3e3f42fd/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?