./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --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_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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_551a8aae-64e8-4571-9175-78ef79ccc43d/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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:52,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:52,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:53,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:53,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:53,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:53,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:53,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:53,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:53,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:53,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:53,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:53,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:53,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:53,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:53,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:53,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:53,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:53,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:53,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:53,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:53,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:53,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:53,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:53,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:53,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:53,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:53,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:53,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:53,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:53,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:53,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:53,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:53,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:53,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:53,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:53,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:53,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:53,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:53,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:53,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:53,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:53,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:53,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:53,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:53,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:53,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:53,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:53,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:53,238 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:53,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:53,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:53,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:53,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:53,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:53,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:53,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:53,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:53,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:53,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:53,251 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:53,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:53,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:53,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:53,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:53,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:53,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:53,253 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:53,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:53,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:53,254 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_551a8aae-64e8-4571-9175-78ef79ccc43d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2021-11-23 15:32:53,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:53,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:53,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:53,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:53,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:53,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2021-11-23 15:32:53,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/cbb29abc5/3754d455e1734796ab05cc8720274938/FLAG8ee5c625e [2021-11-23 15:32:54,425 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:54,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2021-11-23 15:32:54,437 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/cbb29abc5/3754d455e1734796ab05cc8720274938/FLAG8ee5c625e [2021-11-23 15:32:54,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/cbb29abc5/3754d455e1734796ab05cc8720274938 [2021-11-23 15:32:54,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:54,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:54,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:54,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:54,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:54,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a648a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:54, skipping insertion in model container [2021-11-23 15:32:54,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:54" (1/1) ... [2021-11-23 15:32:54,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:54,781 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:55,144 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_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2021-11-23 15:32:55,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:55,180 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:55,260 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_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2021-11-23 15:32:55,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:55,301 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:55,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55 WrapperNode [2021-11-23 15:32:55,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:55,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:55,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:55,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:55,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,370 INFO L137 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 139 [2021-11-23 15:32:55,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:55,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:55,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:55,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:55,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:55,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:55,477 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:55,477 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:55,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:55" (1/1) ... [2021-11-23 15:32:55,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:55,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:55,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:55,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:55,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:32:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:32:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:32:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:32:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:32:55,577 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:32:55,577 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:32:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:32:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:32:55,578 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:32:55,578 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:32:55,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:32:55,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:32:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:55,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:55,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:32:55,582 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 15:32:55,724 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:55,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:56,284 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:56,513 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 15:32:56,525 INFO L158 Benchmark]: Toolchain (without parser) took 1801.78ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 66.9MB in the beginning and 97.1MB in the end (delta: -30.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,527 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:56,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.94ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 70.6MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.29ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,532 INFO L158 Benchmark]: Boogie Preprocessor took 90.33ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,533 INFO L158 Benchmark]: RCFGBuilder took 1045.55ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 66.4MB in the beginning and 97.1MB in the end (delta: -30.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-23 15:32:56,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.94ms. Allocated memory is still 98.6MB. Free memory was 66.6MB in the beginning and 70.6MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.29ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.33ms. Allocated memory is still 98.6MB. Free memory was 68.6MB in the beginning and 66.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1045.55ms. Allocated memory was 98.6MB in the beginning and 130.0MB in the end (delta: 31.5MB). Free memory was 66.4MB in the beginning and 97.1MB in the end (delta: -30.7MB). Peak memory consumption was 28.9MB. 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 15:32:56,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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_551a8aae-64e8-4571-9175-78ef79ccc43d/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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:59,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:59,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:59,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:59,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:59,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:59,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:59,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:59,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:59,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:59,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:59,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:59,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:59,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:59,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:59,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:59,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:59,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:59,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:59,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:59,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:59,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:59,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:59,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:59,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:59,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:59,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:59,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:59,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:59,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:59,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:59,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:59,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:59,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:59,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:59,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:59,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:59,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:59,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:59,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:59,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:59,292 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:59,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:59,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:59,338 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:59,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:59,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:59,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:59,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:59,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:59,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:59,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:59,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:59,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:59,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:59,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:59,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:59,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:59,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:59,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:59,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:59,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:59,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:59,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:59,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:59,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:59,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:59,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:59,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:59,346 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:59,347 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:59,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:59,347 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:59,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:59,348 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_551a8aae-64e8-4571-9175-78ef79ccc43d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2021-11-23 15:32:59,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:59,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:59,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:59,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:59,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:59,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2021-11-23 15:32:59,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/7eee23324/ceceb4c9a40f4b91bbf6994bd7993c05/FLAG47b0c1e4c [2021-11-23 15:33:00,386 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:00,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2021-11-23 15:33:00,401 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/7eee23324/ceceb4c9a40f4b91bbf6994bd7993c05/FLAG47b0c1e4c [2021-11-23 15:33:00,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/data/7eee23324/ceceb4c9a40f4b91bbf6994bd7993c05 [2021-11-23 15:33:00,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:00,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:00,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:00,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:00,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:00,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714fafeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00, skipping insertion in model container [2021-11-23 15:33:00,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:00,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:01,114 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_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2021-11-23 15:33:01,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:01,162 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:33:01,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:01,225 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_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2021-11-23 15:33:01,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:01,242 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:01,310 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_551a8aae-64e8-4571-9175-78ef79ccc43d/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c[6687,6700] [2021-11-23 15:33:01,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:01,340 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:01,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01 WrapperNode [2021-11-23 15:33:01,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:01,343 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:01,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:01,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:01,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,399 INFO L137 Inliner]: procedures = 28, calls = 93, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 129 [2021-11-23 15:33:01,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:01,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:01,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:01,404 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:01,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:01,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:01,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:01,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:01,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:01" (1/1) ... [2021-11-23 15:33:01,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:01,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:01,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:01,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:33:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:33:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:33:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:33:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:33:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:33:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:33:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:33:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:33:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:33:01,562 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:33:01,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:01,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:01,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:01,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:01,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:33:01,566 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 15:33:01,770 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:01,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:02,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:02,583 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 15:33:02,588 INFO L158 Benchmark]: Toolchain (without parser) took 1842.18ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.8MB in the beginning and 36.2MB in the end (delta: -1.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:02,588 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:02,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.36ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 33.5MB in the end (delta: 1.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:02,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.26ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 31.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:02,591 INFO L158 Benchmark]: Boogie Preprocessor took 54.69ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 29.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:02,592 INFO L158 Benchmark]: RCFGBuilder took 1126.33ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 36.2MB in the end (delta: -7.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:02,595 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 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.36ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 33.5MB in the end (delta: 1.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.26ms. Allocated memory is still 56.6MB. Free memory was 33.5MB in the beginning and 31.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.69ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 29.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1126.33ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 36.2MB in the end (delta: -7.0MB). Peak memory consumption was 11.5MB. 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 15:33:02,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_551a8aae-64e8-4571-9175-78ef79ccc43d/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable