./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:35:05,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:35:05,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:35:05,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:35:05,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:35:05,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:35:05,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:35:05,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:35:05,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:35:05,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:35:05,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:35:05,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:35:05,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:35:05,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:35:05,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:35:05,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:35:05,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:35:05,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:35:05,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:35:05,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:35:05,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:35:05,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:35:05,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:35:05,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:35:05,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:35:05,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:35:05,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:35:05,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:35:05,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:35:05,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:35:05,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:35:05,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:35:05,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:35:05,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:35:05,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:35:05,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:35:05,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:35:05,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:35:05,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:35:05,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:35:05,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:35:05,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:35:05,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:35:05,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:35:05,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:35:05,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:35:05,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:35:05,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:35:05,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:35:05,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:35:05,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:35:05,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:35:05,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:35:05,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:35:05,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:35:05,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:35:05,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:35:05,905 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:35:05,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:35:05,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:35:05,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:35:05,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:35:05,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:35:05,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:35:05,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:35:05,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:05,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:35:05,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:35:05,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:35:05,908 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:35:05,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:35:05,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:35:05,908 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-11-21 23:35:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:35:06,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:35:06,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:35:06,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:35:06,281 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:35:06,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-11-21 23:35:09,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:35:09,626 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:35:09,626 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-11-21 23:35:09,636 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/1d8f0eba2/b217d7ae33fe4bbe972473cca7f18cba/FLAGc71e0be70 [2022-11-21 23:35:09,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/1d8f0eba2/b217d7ae33fe4bbe972473cca7f18cba [2022-11-21 23:35:09,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:35:09,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:35:09,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:09,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:35:09,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:35:09,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:09" (1/1) ... [2022-11-21 23:35:09,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9ddeda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:09, skipping insertion in model container [2022-11-21 23:35:09,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:09" (1/1) ... [2022-11-21 23:35:09,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:35:09,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:35:09,931 WARN L237 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-11-21 23:35:09,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:09,949 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:35:09,992 WARN L237 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-11-21 23:35:09,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:10,017 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:35:10,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10 WrapperNode [2022-11-21 23:35:10,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:10,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:10,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:35:10,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:35:10,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,083 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2022-11-21 23:35:10,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:10,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:35:10,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:35:10,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:35:10,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:35:10,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:35:10,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:35:10,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:35:10,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:10" (1/1) ... [2022-11-21 23:35:10,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:10,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:35:10,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:35:10,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:35:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:35:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:35:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:35:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:35:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:35:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:35:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:35:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:35:10,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:35:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:35:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:35:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:35:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:35:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:35:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:35:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:35:10,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:35:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:35:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:35:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:35:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:35:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:35:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:35:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:35:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:35:10,256 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:35:10,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:35:10,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:35:10,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:35:11,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:35:11,191 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:35:11,192 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-21 23:35:11,192 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-11-21 23:35:11,201 INFO L158 Benchmark]: Toolchain (without parser) took 1538.87ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 73.7MB in the end (delta: 13.3MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2022-11-21 23:35:11,201 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:11,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.05ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 73.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:35:11,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.63ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:11,204 INFO L158 Benchmark]: Boogie Preprocessor took 63.45ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:11,205 INFO L158 Benchmark]: RCFGBuilder took 1050.50ms. Allocated memory is still 132.1MB. Free memory was 69.9MB in the beginning and 73.7MB in the end (delta: -3.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:11,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.05ms. Allocated memory is still 132.1MB. Free memory was 86.6MB in the beginning and 73.9MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.63ms. Allocated memory is still 132.1MB. Free memory was 73.9MB in the beginning and 71.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.45ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1050.50ms. Allocated memory is still 132.1MB. Free memory was 69.9MB in the beginning and 73.7MB in the end (delta: -3.8MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:35:11,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:35:13,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:35:13,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:35:13,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:35:13,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:35:13,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:35:13,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:35:13,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:35:13,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:35:13,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:35:13,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:35:13,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:35:13,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:35:13,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:35:13,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:35:13,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:35:13,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:35:13,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:35:13,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:35:13,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:35:13,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:35:13,987 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:35:13,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:35:13,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:35:13,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:35:14,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:35:14,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:35:14,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:35:14,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:35:14,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:35:14,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:35:14,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:35:14,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:35:14,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:35:14,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:35:14,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:35:14,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:35:14,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:35:14,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:35:14,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:35:14,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:35:14,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:35:14,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:35:14,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:35:14,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:35:14,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:35:14,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:35:14,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:35:14,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:35:14,080 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:35:14,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:35:14,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:35:14,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:35:14,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:35:14,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:35:14,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:35:14,083 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:35:14,083 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:35:14,083 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:35:14,083 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:35:14,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:35:14,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:35:14,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:35:14,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:35:14,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:35:14,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:35:14,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:35:14,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:14,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:35:14,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:35:14,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:35:14,086 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:35:14,087 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:35:14,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:35:14,087 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:35:14,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:35:14,088 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-11-21 23:35:14,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:35:14,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:35:14,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:35:14,490 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:35:14,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:35:14,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-11-21 23:35:17,531 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:35:17,764 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:35:17,765 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-11-21 23:35:17,772 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/c72f9c45d/bb9117828bda4924bb826f844c17b3d1/FLAGda8011c21 [2022-11-21 23:35:17,797 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/data/c72f9c45d/bb9117828bda4924bb826f844c17b3d1 [2022-11-21 23:35:17,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:35:17,801 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:35:17,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:17,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:35:17,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:35:17,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:17" (1/1) ... [2022-11-21 23:35:17,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ef1eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:17, skipping insertion in model container [2022-11-21 23:35:17,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:35:17" (1/1) ... [2022-11-21 23:35:17,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:35:17,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:35:18,155 WARN L237 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-11-21 23:35:18,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:18,199 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:35:18,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:35:18,259 WARN L237 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-11-21 23:35:18,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:18,279 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:35:18,325 WARN L237 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_d0e4232f-8d7c-4425-93e9-974380f17b1d/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-11-21 23:35:18,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:35:18,367 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:35:18,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18 WrapperNode [2022-11-21 23:35:18,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:35:18,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:18,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:35:18,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:35:18,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,433 INFO L138 Inliner]: procedures = 28, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-21 23:35:18,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:35:18,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:35:18,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:35:18,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:35:18,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,484 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:35:18,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:35:18,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:35:18,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:35:18,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:35:18" (1/1) ... [2022-11-21 23:35:18,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:35:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:35:18,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:35:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:35:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:35:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:35:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:35:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:35:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:35:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:35:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:35:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:35:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:35:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:35:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:35:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:35:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:35:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:35:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:35:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:35:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:35:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:35:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:35:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:35:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:35:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:35:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:35:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:35:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:35:18,606 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:35:18,811 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:35:18,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:35:19,304 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:35:19,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:35:19,635 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:35:19,636 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-11-21 23:35:19,637 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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) [2022-11-21 23:35:19,643 INFO L158 Benchmark]: Toolchain (without parser) took 1840.95ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 50.2MB in the end (delta: 10.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-21 23:35:19,644 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:35:19,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.99ms. Allocated memory is still 79.7MB. Free memory was 60.8MB in the beginning and 44.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:35:19,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.00ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:35:19,646 INFO L158 Benchmark]: Boogie Preprocessor took 56.10ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 60.1MB in the end (delta: -17.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-21 23:35:19,647 INFO L158 Benchmark]: RCFGBuilder took 1150.38ms. Allocated memory is still 79.7MB. Free memory was 60.1MB in the beginning and 50.2MB in the end (delta: 9.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-21 23:35:19,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 58.7MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.99ms. Allocated memory is still 79.7MB. Free memory was 60.8MB in the beginning and 44.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.00ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 43.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.10ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 60.1MB in the end (delta: -17.2MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1150.38ms. Allocated memory is still 79.7MB. Free memory was 60.1MB in the beginning and 50.2MB in the end (delta: 9.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:35:19,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0e4232f-8d7c-4425-93e9-974380f17b1d/bin/ukojak-jW3SillKbg/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?