./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:29,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:29,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:29,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:29,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:29,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:29,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:29,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:29,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:29,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:29,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:29,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:29,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:29,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:29,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:29,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:29,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:29,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:29,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:29,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:29,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:29,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:29,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:29,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:29,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:29,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:29,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:29,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:29,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:29,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:29,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:29,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:29,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:29,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:29,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:29,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:29,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:29,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:29,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:29,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:29,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:29,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:29,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:29,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:29,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:29,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:29,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:29,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:29,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:29,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:29,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:29,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:29,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:29,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:29,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:29,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:29,932 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:29,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:29,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:29,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:29,937 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:29,938 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:29,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:29,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:29,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:29,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:29,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:29,939 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:29,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:29,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:29,941 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2021-11-23 15:33:30,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:30,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:30,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:30,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:30,228 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:30,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2021-11-23 15:33:30,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/b22ef005a/2808bd2b2b144481a7007c0c160c1c02/FLAGd7823d3a5 [2021-11-23 15:33:30,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:30,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2021-11-23 15:33:30,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/b22ef005a/2808bd2b2b144481a7007c0c160c1c02/FLAGd7823d3a5 [2021-11-23 15:33:31,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/b22ef005a/2808bd2b2b144481a7007c0c160c1c02 [2021-11-23 15:33:31,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:31,196 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:31,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:31,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:31,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:31,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77105bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31, skipping insertion in model container [2021-11-23 15:33:31,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:31,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:31,508 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2021-11-23 15:33:31,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:31,533 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:31,576 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2021-11-23 15:33:31,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:31,612 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:31,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31 WrapperNode [2021-11-23 15:33:31,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:31,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:31,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:31,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:31,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,673 INFO L137 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2021-11-23 15:33:31,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:31,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:31,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:31,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:31,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:31,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:31,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:31,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:31,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:31" (1/1) ... [2021-11-23 15:33:31,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:31,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:31,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:33:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:33:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:33:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:33:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:33:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:33:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:33:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:33:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:33:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:33:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:33:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:33:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:33:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:33:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:33:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:33:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:31,843 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 15:33:32,046 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:32,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:32,475 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:32,589 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 15:33:32,594 INFO L158 Benchmark]: Toolchain (without parser) took 1397.00ms. Allocated memory is still 134.2MB. Free memory was 98.3MB in the beginning and 79.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 15:33:32,595 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:32,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.69ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 106.2MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:32,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.26ms. Allocated memory is still 134.2MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:32,598 INFO L158 Benchmark]: Boogie Preprocessor took 52.11ms. Allocated memory is still 134.2MB. Free memory was 104.6MB in the beginning and 102.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:32,599 INFO L158 Benchmark]: RCFGBuilder took 864.78ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 79.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:32,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 100.7MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.69ms. Allocated memory is still 134.2MB. Free memory was 98.0MB in the beginning and 106.2MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.26ms. Allocated memory is still 134.2MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.11ms. Allocated memory is still 134.2MB. Free memory was 104.6MB in the beginning and 102.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 864.78ms. Allocated memory is still 134.2MB. Free memory was 102.7MB in the beginning and 79.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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 15:33:32,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:35,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:35,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:35,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:35,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:35,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:35,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:35,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:35,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:35,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:35,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:35,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:35,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:35,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:35,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:35,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:35,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:35,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:35,642 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:35,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:35,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:35,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:35,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:35,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:35,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:35,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:35,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:35,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:35,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:35,673 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:35,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:35,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:35,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:35,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:35,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:35,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:35,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:35,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:35,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:35,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:35,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:35,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:35,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:35,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:35,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:35,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:35,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:35,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:35,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:35,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:35,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:35,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:35,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:35,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:35,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:35,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:35,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:35,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:35,766 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:35,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:35,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:35,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:35,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:35,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:35,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:35,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:35,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:35,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:35,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:35,769 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:35,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:35,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:35,769 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:35,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:35,770 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ceec73f9e554c485344f34d2b1865bfa0707ac614302bf3f054f6fb35398f61 [2021-11-23 15:33:36,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:36,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:36,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:36,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:36,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:36,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2021-11-23 15:33:36,335 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/99aeee046/75242182dfca475c9c828117702966f6/FLAGb2f125c9d [2021-11-23 15:33:36,977 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:36,978 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2021-11-23 15:33:36,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/99aeee046/75242182dfca475c9c828117702966f6/FLAGb2f125c9d [2021-11-23 15:33:37,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/data/99aeee046/75242182dfca475c9c828117702966f6 [2021-11-23 15:33:37,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:37,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:37,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:37,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:37,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:37,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41e22bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37, skipping insertion in model container [2021-11-23 15:33:37,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:37,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:37,549 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2021-11-23 15:33:37,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:37,576 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:33:37,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:37,631 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2021-11-23 15:33:37,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:37,662 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:37,701 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_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c[4293,4306] [2021-11-23 15:33:37,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:37,725 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:37,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37 WrapperNode [2021-11-23 15:33:37,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:37,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:37,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:37,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:37,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,803 INFO L137 Inliner]: procedures = 28, calls = 79, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2021-11-23 15:33:37,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:37,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:37,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:37,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:37,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:37,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:37,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:37,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:37,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:37" (1/1) ... [2021-11-23 15:33:37,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:37,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:37,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 15:33:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 15:33:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:33:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:33:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:33:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:33:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:33:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 15:33:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 15:33:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 15:33:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 15:33:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2021-11-23 15:33:38,014 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2021-11-23 15:33:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:33:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:33:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:38,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:38,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:33:38,017 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 15:33:38,136 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:38,138 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:38,749 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:38,891 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 15:33:38,896 INFO L158 Benchmark]: Toolchain (without parser) took 1561.52ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.2MB in the beginning and 53.6MB in the end (delta: -15.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,897 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:38,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 40.6MB in the end (delta: -2.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.85ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,900 INFO L158 Benchmark]: Boogie Preprocessor took 92.11ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 36.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,901 INFO L158 Benchmark]: RCFGBuilder took 996.42ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.7MB in the beginning and 53.6MB in the end (delta: -16.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:38,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 40.6MB in the end (delta: -2.6MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.85ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.11ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 36.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 996.42ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.7MB in the beginning and 53.6MB in the end (delta: -16.9MB). Peak memory consumption was 14.1MB. 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 15:33:38,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fca2d6ec-06fd-469c-8fb2-eed2730dd3a9/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