./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu --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 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:48,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:48,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:48,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:48,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:48,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:48,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:48,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:48,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:48,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:48,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:48,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:48,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:48,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:48,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:48,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:48,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:48,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:48,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:48,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:48,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:48,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:48,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:48,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:48,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:48,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:48,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:48,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:48,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:48,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:48,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:48,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:48,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:48,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:48,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:48,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:48,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:48,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:48,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:48,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:48,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:48,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:48,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:48,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:48,906 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:48,906 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:48,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:48,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:48,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:48,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:48,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:48,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:48,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:48,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:48,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:48,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:48,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:48,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:48,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:48,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:48,911 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:48,912 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:48,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:48,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:48,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:48,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:48,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:48,913 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:48,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:48,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:48,914 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13 [2021-11-23 15:52:49,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:49,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:49,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:49,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:49,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:49,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i [2021-11-23 15:52:49,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/95ed6d2f4/9ae94311e56d46b49575130e29c657e4/FLAG9dd04a0ff [2021-11-23 15:52:49,985 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:49,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i [2021-11-23 15:52:50,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/95ed6d2f4/9ae94311e56d46b49575130e29c657e4/FLAG9dd04a0ff [2021-11-23 15:52:50,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/95ed6d2f4/9ae94311e56d46b49575130e29c657e4 [2021-11-23 15:52:50,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:50,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:50,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:50,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:50,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:50,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:50,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34844f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50, skipping insertion in model container [2021-11-23 15:52:50,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:50,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:50,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:50,531 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i[945,958] [2021-11-23 15:52:50,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:50,840 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:50,853 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i[945,958] [2021-11-23 15:52:50,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:50,954 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:50,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50 WrapperNode [2021-11-23 15:52:50,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:50,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:50,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:50,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:50,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,047 INFO L137 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2021-11-23 15:52:51,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:51,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:51,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:51,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:51,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:51,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:51,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:51,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:51,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:50" (1/1) ... [2021-11-23 15:52:51,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:51,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:51,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:51,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:52:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:52:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:52:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:52:51,234 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:52:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:52:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:51,237 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 15:52:51,359 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:51,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:51,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:52,026 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:52:52,031 INFO L158 Benchmark]: Toolchain (without parser) took 1797.14ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 50.6MB in the end (delta: 717.9kB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:52,032 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:52,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.70ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 51.1MB in the beginning and 85.9MB in the end (delta: -34.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:52,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.02ms. Allocated memory is still 125.8MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:52,035 INFO L158 Benchmark]: Boogie Preprocessor took 68.82ms. Allocated memory is still 125.8MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:52,035 INFO L158 Benchmark]: RCFGBuilder took 910.83ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 50.6MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:52,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory is still 69.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.70ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 51.1MB in the beginning and 85.9MB in the end (delta: -34.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.02ms. Allocated memory is still 125.8MB. Free memory was 85.9MB in the beginning and 83.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.82ms. Allocated memory is still 125.8MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 910.83ms. Allocated memory is still 125.8MB. Free memory was 81.7MB in the beginning and 50.6MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:52,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/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_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu --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 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:54,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:54,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:54,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:54,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:54,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:54,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:54,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:54,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:54,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:54,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:54,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:54,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:54,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:54,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:54,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:54,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:54,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:54,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:54,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:54,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:54,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:54,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:54,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:54,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:54,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:54,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:54,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:54,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:54,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:54,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:54,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:54,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:54,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:54,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:54,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:54,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:54,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:54,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:54,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:54,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:54,670 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:54,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:54,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:54,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:54,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:54,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:54,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:54,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:54,707 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:54,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:54,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:54,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:54,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:54,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:54,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:54,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:54,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:54,710 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:54,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:54,710 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:54,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:54,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:54,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:54,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:54,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:54,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:54,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:54,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:54,713 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:54,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:54,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:54,713 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:54,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:54,714 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dcfd24df13a4fc35e028ca53c41591d13aa2fa957261180f0dd9c1764b57d13 [2021-11-23 15:52:55,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:55,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:55,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:55,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:55,092 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:55,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/mix009.oepc.i [2021-11-23 15:52:55,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/140700d29/2772522f35a040b2a02be9d4524a3271/FLAG6519addcf [2021-11-23 15:52:55,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:55,724 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i [2021-11-23 15:52:55,741 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/140700d29/2772522f35a040b2a02be9d4524a3271/FLAG6519addcf [2021-11-23 15:52:55,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/data/140700d29/2772522f35a040b2a02be9d4524a3271 [2021-11-23 15:52:55,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:56,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:56,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:56,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:56,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:56,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:55" (1/1) ... [2021-11-23 15:52:56,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac79a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56, skipping insertion in model container [2021-11-23 15:52:56,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:55" (1/1) ... [2021-11-23 15:52:56,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:56,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:56,357 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i[945,958] [2021-11-23 15:52:56,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:56,701 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:56,716 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_2f4a5bdc-c280-4594-9f6f-b645ec426164/sv-benchmarks/c/pthread-wmm/mix009.oepc.i[945,958] [2021-11-23 15:52:56,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:56,868 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:56,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56 WrapperNode [2021-11-23 15:52:56,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:56,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:56,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:56,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:56,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,961 INFO L137 Inliner]: procedures = 178, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 15:52:56,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:56,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:56,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:56,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:56,971 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:56,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:57,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:57,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:57,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:57,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:57,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:56" (1/1) ... [2021-11-23 15:52:57,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:57,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:57,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:57,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:52:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:52:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:52:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:52:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:52:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:52:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:52:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:52:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:57,116 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 15:52:57,315 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:57,316 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:57,926 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:57,990 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:52:57,994 INFO L158 Benchmark]: Toolchain (without parser) took 1992.85ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 41.4MB in the end (delta: -6.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:57,995 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:57,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 40.7MB in the end (delta: -6.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:57,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.73ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 38.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:57,997 INFO L158 Benchmark]: Boogie Preprocessor took 41.22ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:57,998 INFO L158 Benchmark]: RCFGBuilder took 987.79ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 41.4MB in the end (delta: -5.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.5MB in the beginning and 40.7MB in the end (delta: -6.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.73ms. Allocated memory is still 71.3MB. Free memory was 40.5MB in the beginning and 38.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.22ms. Allocated memory is still 71.3MB. Free memory was 38.3MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 987.79ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 41.4MB in the end (delta: -5.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:58,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f4a5bdc-c280-4594-9f6f-b645ec426164/bin/ukojak-CwSLpZB5Qu/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: Set is immutable