./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:10,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:10,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:10,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:10,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:10,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:10,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:10,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:10,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:10,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:10,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:10,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:10,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:10,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:10,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:10,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:10,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:10,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:10,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:10,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:10,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:10,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:10,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:10,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:10,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:10,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:10,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:10,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:10,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:10,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:10,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:10,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:10,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:10,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:10,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:10,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:10,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:10,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:10,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:10,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:10,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:10,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:10,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:10,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:10,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:10,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:10,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:10,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:10,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:10,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:10,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:10,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:10,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:10,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:10,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:10,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:10,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:10,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:10,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:10,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:10,916 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:10,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:10,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:10,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:10,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:10,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:10,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:10,918 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:10,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:10,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:10,918 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 [2021-11-23 15:05:11,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:11,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:11,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:11,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:11,214 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:11,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 15:05:11,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/6a0f18337/62ae4d0b1d784d778e77ebf1bc09a35f/FLAG59822b6cc [2021-11-23 15:05:12,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:12,033 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 15:05:12,058 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/6a0f18337/62ae4d0b1d784d778e77ebf1bc09a35f/FLAG59822b6cc [2021-11-23 15:05:12,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/6a0f18337/62ae4d0b1d784d778e77ebf1bc09a35f [2021-11-23 15:05:12,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:12,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:12,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:12,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:12,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:12,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7332491c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12, skipping insertion in model container [2021-11-23 15:05:12,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:12,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:12,551 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 15:05:12,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:12,810 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:12,823 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 15:05:12,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:12,962 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:12,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12 WrapperNode [2021-11-23 15:05:12,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:12,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:12,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:12,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:12,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,067 INFO L137 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2021-11-23 15:05:13,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:13,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:13,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:13,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:13,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:13,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:13,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:13,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:13,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:13,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:13,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:13,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:13,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:13,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:13,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:05:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:05:13,242 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:05:13,242 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:05:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:05:13,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:05:13,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:13,246 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 15:05:13,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:13,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:14,388 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:14,553 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 15:05:14,560 INFO L158 Benchmark]: Toolchain (without parser) took 2298.63ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 76.8MB in the end (delta: -21.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:14,560 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:14,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.09ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 56.8MB in the end (delta: -1.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:14,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.04ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:14,566 INFO L158 Benchmark]: Boogie Preprocessor took 78.06ms. Allocated memory is still 98.6MB. Free memory was 54.4MB in the beginning and 51.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:14,567 INFO L158 Benchmark]: RCFGBuilder took 1409.31ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 51.7MB in the beginning and 76.8MB in the end (delta: -25.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:14,577 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 98.6MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.09ms. Allocated memory is still 98.6MB. Free memory was 55.5MB in the beginning and 56.8MB in the end (delta: -1.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.04ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.06ms. Allocated memory is still 98.6MB. Free memory was 54.4MB in the beginning and 51.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1409.31ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 51.7MB in the beginning and 76.8MB in the end (delta: -25.1MB). Peak memory consumption was 25.6MB. 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 15:05:14,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:17,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:17,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:17,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:17,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:17,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:17,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:17,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:17,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:17,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:17,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:17,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:17,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:17,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:17,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:17,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:17,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:17,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:17,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:17,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:17,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:17,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:17,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:17,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:17,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:17,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:17,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:17,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:17,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:17,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:17,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:17,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:17,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:17,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:17,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:17,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:17,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:17,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:17,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:17,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:17,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:17,269 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:17,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:17,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:17,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:17,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:17,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:17,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:17,316 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:17,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:17,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:17,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:17,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:17,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:17,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:17,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:17,319 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:17,319 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:17,320 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:17,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:17,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:17,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:17,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:17,321 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:17,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:17,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:17,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:17,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:17,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:17,323 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:17,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:17,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:17,323 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:17,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:17,324 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91a9aa2f0d12b9c007fce98740577392f81daf83caae08bbaade32d740f10d38 [2021-11-23 15:05:17,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:17,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:17,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:17,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:17,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:17,799 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 15:05:17,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/8d6647801/b70be53ec1ad4892bf9281e2330e3d98/FLAG857987764 [2021-11-23 15:05:18,628 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:18,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i [2021-11-23 15:05:18,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/8d6647801/b70be53ec1ad4892bf9281e2330e3d98/FLAG857987764 [2021-11-23 15:05:18,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/data/8d6647801/b70be53ec1ad4892bf9281e2330e3d98 [2021-11-23 15:05:18,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:18,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:18,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:18,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:18,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:18,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:18" (1/1) ... [2021-11-23 15:05:18,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27aa4e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:18, skipping insertion in model container [2021-11-23 15:05:18,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:18" (1/1) ... [2021-11-23 15:05:18,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:18,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:19,225 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 15:05:19,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:19,637 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:19,656 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_9d91dfee-697e-4179-a545-a5b2b04ac7b7/sv-benchmarks/c/pthread-wmm/safe003_power.opt.i[951,964] [2021-11-23 15:05:19,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:19,812 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:19,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19 WrapperNode [2021-11-23 15:05:19,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:19,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:19,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:19,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:19,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,875 INFO L137 Inliner]: procedures = 180, calls = 73, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 147 [2021-11-23 15:05:19,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:19,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:19,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:19,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:19,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:19,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:19,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:19,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:19,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:19" (1/1) ... [2021-11-23 15:05:19,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:20,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:20,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:20,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:20,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:20,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:20,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 15:05:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 15:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 15:05:20,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 15:05:20,066 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 15:05:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 15:05:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:05:20,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:20,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:20,069 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 15:05:20,387 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:20,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:21,140 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:21,332 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 15:05:21,336 INFO L158 Benchmark]: Toolchain (without parser) took 2447.15ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 46.0MB in the beginning and 85.3MB in the end (delta: -39.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,337 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:21,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.33ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 50.7MB in the end (delta: -4.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.22ms. Allocated memory is still 81.8MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,340 INFO L158 Benchmark]: Boogie Preprocessor took 94.27ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 45.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,341 INFO L158 Benchmark]: RCFGBuilder took 1362.53ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 45.0MB in the beginning and 85.3MB in the end (delta: -40.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 81.8MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.33ms. Allocated memory is still 81.8MB. Free memory was 45.8MB in the beginning and 50.7MB in the end (delta: -4.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.22ms. Allocated memory is still 81.8MB. Free memory was 50.7MB in the beginning and 48.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.27ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 45.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1362.53ms. Allocated memory was 81.8MB in the beginning and 111.1MB in the end (delta: 29.4MB). Free memory was 45.0MB in the beginning and 85.3MB in the end (delta: -40.3MB). Peak memory consumption was 16.2MB. 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 15:05:21,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d91dfee-697e-4179-a545-a5b2b04ac7b7/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