./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.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_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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_560f0712-aa0b-40a1-889c-3313a79c7eaa/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 ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:09,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:09,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:09,986 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:09,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:09,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:09,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:09,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:10,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:10,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:10,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:10,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:10,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:10,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:10,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:10,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:10,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:10,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:10,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:10,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:10,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:10,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:10,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:10,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:10,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:10,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:10,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:10,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:10,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:10,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:10,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:10,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:10,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:10,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:10,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:10,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:10,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:10,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:10,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:10,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:10,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:10,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:10,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:10,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:10,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:10,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:10,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:10,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:10,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:10,145 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:10,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:10,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:10,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:10,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:10,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:10,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:10,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:10,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:10,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:10,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:10,158 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:10,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:10,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:10,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:10,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:10,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:10,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:10,161 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:10,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:10,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:10,162 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 [2021-11-23 15:53:10,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:10,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:10,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:10,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:10,561 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:10,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-23 15:53:10,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/030b2036c/0bfd185333404c37b9987b026f627b06/FLAG690edf667 [2021-11-23 15:53:11,208 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:11,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-23 15:53:11,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/030b2036c/0bfd185333404c37b9987b026f627b06/FLAG690edf667 [2021-11-23 15:53:11,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/030b2036c/0bfd185333404c37b9987b026f627b06 [2021-11-23 15:53:11,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:11,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:11,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:11,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:11,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:11,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:11,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5087f078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11, skipping insertion in model container [2021-11-23 15:53:11,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:11,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:11,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:11,897 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-23 15:53:11,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:11,916 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:11,963 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-23 15:53:11,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:11,982 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:11,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11 WrapperNode [2021-11-23 15:53:11,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:11,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:11,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:11,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:11,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,044 INFO L137 Inliner]: procedures = 22, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 91 [2021-11-23 15:53:12,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:12,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:12,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:12,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:12,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:12,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:12,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:12,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:12,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:11" (1/1) ... [2021-11-23 15:53:12,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:12,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:12,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:12,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:12,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:12,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:12,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:12,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:12,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:12,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:12,187 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 15:53:12,272 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:12,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:12,488 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:12,578 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 15:53:12,582 INFO L158 Benchmark]: Toolchain (without parser) took 994.42ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 50.5MB in the end (delta: 12.8MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:12,583 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:12,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.54ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 70.8MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:12,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.00ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:12,585 INFO L158 Benchmark]: Boogie Preprocessor took 55.39ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:12,586 INFO L158 Benchmark]: RCFGBuilder took 478.62ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 50.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:12,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.54ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 70.8MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.00ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.39ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 67.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.62ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 50.5MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. 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 15:53:12,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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_560f0712-aa0b-40a1-889c-3313a79c7eaa/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 ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:15,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:15,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:15,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:15,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:15,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:15,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:15,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:15,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:15,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:15,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:15,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:15,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:15,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:15,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:15,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:15,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:15,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:15,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:15,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:15,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:15,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:15,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:15,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:15,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:15,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:15,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:15,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:15,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:15,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:15,132 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:15,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:15,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:15,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:15,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:15,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:15,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:15,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:15,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:15,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:15,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:15,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:15,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:15,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:15,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:15,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:15,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:15,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:15,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:15,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:15,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:15,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:15,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:15,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:15,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:15,188 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:15,188 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:15,188 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:15,189 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:15,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:15,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:15,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:15,189 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:15,189 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:15,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:15,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:15,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:15,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:15,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:15,191 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:15,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:15,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:15,191 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:15,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:15,192 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec11f673f0852354e1b011c47ea1690182c02849435cfe6b9232c63dc6ffceb8 [2021-11-23 15:53:15,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:15,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:15,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:15,597 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:15,598 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:15,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-23 15:53:15,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/ca8190a36/cf9a409a7275494daf9368bc1d9c97c1/FLAGf40626064 [2021-11-23 15:53:16,201 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:16,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c [2021-11-23 15:53:16,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/ca8190a36/cf9a409a7275494daf9368bc1d9c97c1/FLAGf40626064 [2021-11-23 15:53:16,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/data/ca8190a36/cf9a409a7275494daf9368bc1d9c97c1 [2021-11-23 15:53:16,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:16,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:16,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:16,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:16,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:16,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e891938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16, skipping insertion in model container [2021-11-23 15:53:16,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:16,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:16,776 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-23 15:53:16,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:16,793 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:16,819 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_560f0712-aa0b-40a1-889c-3313a79c7eaa/sv-benchmarks/c/weaver/popl20-proofs-counter-add-4-semi-Q67.wvr.c[2611,2624] [2021-11-23 15:53:16,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:16,854 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:16,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16 WrapperNode [2021-11-23 15:53:16,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:16,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:16,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:16,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:16,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,922 INFO L137 Inliner]: procedures = 24, calls = 42, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 87 [2021-11-23 15:53:16,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:16,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:16,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:16,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:16,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:16,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:16,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:16,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:16,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:16" (1/1) ... [2021-11-23 15:53:16,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:17,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:17,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:17,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:53:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:53:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:53:17,081 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:53:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:53:17,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:53:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:53:17,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:53:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:53:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:53:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:53:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:53:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:17,088 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 15:53:17,208 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:17,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:17,493 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:17,594 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 15:53:17,601 INFO L158 Benchmark]: Toolchain (without parser) took 1028.91ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 30.9MB in the end (delta: 15.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:17,603 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:17,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.55ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 52.1MB in the end (delta: -5.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:17,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.27ms. Allocated memory is still 69.2MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:17,607 INFO L158 Benchmark]: Boogie Preprocessor took 59.12ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 49.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:17,608 INFO L158 Benchmark]: RCFGBuilder took 615.28ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 30.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:17,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.55ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 52.1MB in the end (delta: -5.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.27ms. Allocated memory is still 69.2MB. Free memory was 52.1MB in the beginning and 50.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.12ms. Allocated memory is still 69.2MB. Free memory was 50.5MB in the beginning and 49.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 615.28ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 30.9MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. 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 15:53:17,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560f0712-aa0b-40a1-889c-3313a79c7eaa/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