./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 2329fc70 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_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 20:09:19,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:19,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:19,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:19,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:19,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:19,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:19,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:19,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:19,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:19,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:19,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:19,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:19,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:19,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:19,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:19,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:19,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:19,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:19,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:19,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:19,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:19,221 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:19,222 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:19,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:19,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:19,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:19,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:19,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:19,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:19,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:19,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:19,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:19,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:19,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:19,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:19,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:19,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:19,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:19,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:19,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:19,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 20:09:19,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:19,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:19,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:19,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:19,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:19,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:09:19,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:19,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:19,260 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:19,260 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:19,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:19,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:19,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:19,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:19,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:19,260 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:09:19,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:09:19,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:19,261 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_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-12-14 20:09:19,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:19,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:19,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:19,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:19,445 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:19,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:09:21,998 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:22,157 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:22,157 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:09:22,162 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/9c1f9290d/dad0dfb26d7b4d34b8a35e4d524aebce/FLAG86ac52613 [2022-12-14 20:09:22,570 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/9c1f9290d/dad0dfb26d7b4d34b8a35e4d524aebce [2022-12-14 20:09:22,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:22,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:22,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:22,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:22,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:22,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4777143a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22, skipping insertion in model container [2022-12-14 20:09:22,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:22,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:22,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,711 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,717 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,725 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_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:09:22,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:22,737 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:22,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,749 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,756 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:22,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:22,762 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_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:09:22,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:22,776 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:22,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22 WrapperNode [2022-12-14 20:09:22,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:22,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:22,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:22,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:22,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,806 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2022-12-14 20:09:22,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:22,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:22,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:22,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:22,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,828 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:22,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:22,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:22,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:22,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:22" (1/1) ... [2022-12-14 20:09:22,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:22,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:22,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:22,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 20:09:22,890 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:09:22,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 20:09:22,891 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 20:09:22,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:09:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:09:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:09:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:22,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:22,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:22,893 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:09:22,985 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:22,986 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:23,325 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:23,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:23,492 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:09:23,493 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-12-14 20:09:23,493 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) [2022-12-14 20:09:23,497 INFO L158 Benchmark]: Toolchain (without parser) took 923.29ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 111.9MB in the beginning and 158.3MB in the end (delta: -46.4MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2022-12-14 20:09:23,497 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:23,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.20ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 96.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:09:23,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.81ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:23,498 INFO L158 Benchmark]: Boogie Preprocessor took 25.15ms. Allocated memory is still 148.9MB. Free memory was 94.2MB in the beginning and 92.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:23,499 INFO L158 Benchmark]: RCFGBuilder took 663.36ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 92.1MB in the beginning and 158.3MB in the end (delta: -66.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2022-12-14 20:09:23,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 148.9MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.20ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 96.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.81ms. Allocated memory is still 148.9MB. Free memory was 96.3MB in the beginning and 94.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.15ms. Allocated memory is still 148.9MB. Free memory was 94.2MB in the beginning and 92.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 663.36ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 92.1MB in the beginning and 158.3MB in the end (delta: -66.2MB). Peak memory consumption was 47.8MB. 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. [2022-12-14 20:09:23,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 20:09:25,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:09:25,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:09:25,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:09:25,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:09:25,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:09:25,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:09:25,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:09:25,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:09:25,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:09:25,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:09:25,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:09:25,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:09:25,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:09:25,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:09:25,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:09:25,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:09:25,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:09:25,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:09:25,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:09:25,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:09:25,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:09:25,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:09:25,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:09:25,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:09:25,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:09:25,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:09:25,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:09:25,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:09:25,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:09:25,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:09:25,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:09:25,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:09:25,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:09:25,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:09:25,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:09:25,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:09:25,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:09:25,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:09:25,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:09:25,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:09:25,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 20:09:25,336 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:09:25,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:09:25,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:09:25,337 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:09:25,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:09:25,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:09:25,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:09:25,339 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:09:25,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:09:25,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:09:25,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:09:25,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:09:25,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:09:25,341 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:09:25,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:09:25,341 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:09:25,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:09:25,341 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:09:25,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:09:25,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:09:25,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:25,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:09:25,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:09:25,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:09:25,344 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_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-12-14 20:09:25,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:09:25,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:09:25,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:09:25,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:09:25,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:09:25,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:09:28,199 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:09:28,352 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:09:28,352 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:09:28,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/8605a722a/87dc61a6683d43d69f5c70b108c7963e/FLAGd7f444b10 [2022-12-14 20:09:28,369 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/data/8605a722a/87dc61a6683d43d69f5c70b108c7963e [2022-12-14 20:09:28,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:09:28,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:09:28,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:28,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:09:28,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:09:28,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e4f52cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28, skipping insertion in model container [2022-12-14 20:09:28,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:09:28,397 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:28,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,522 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,524 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,527 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,536 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_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:09:28,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:28,552 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 20:09:28,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:09:28,559 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,560 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,561 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,562 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,563 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,565 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,566 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,567 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,570 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,571 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,576 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_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:09:28,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:28,587 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:09:28,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,599 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,600 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,601 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:09:28,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:09:28,610 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_a4679588-a685-4659-8df5-a90090bf27e8/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:09:28,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:09:28,624 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:09:28,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28 WrapperNode [2022-12-14 20:09:28,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:09:28,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:28,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:09:28,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:09:28,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,653 INFO L138 Inliner]: procedures = 28, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-12-14 20:09:28,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:09:28,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:09:28,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:09:28,654 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:09:28,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:09:28,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:09:28,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:09:28,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:09:28,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:09:28" (1/1) ... [2022-12-14 20:09:28,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:09:28,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:09:28,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:09:28,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:09:28,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 20:09:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:09:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:09:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 20:09:28,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 20:09:28,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 20:09:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:09:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 20:09:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:09:28,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:09:28,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:09:28,732 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:09:28,822 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:09:28,823 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:09:29,218 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:09:29,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:09:29,399 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:09:29,400 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-12-14 20:09:29,401 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) [2022-12-14 20:09:29,404 INFO L158 Benchmark]: Toolchain (without parser) took 1031.78ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 42.7MB in the end (delta: 7.4MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-12-14 20:09:29,405 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:09:29,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.06ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-14 20:09:29,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.79ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 46.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:29,406 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:09:29,407 INFO L158 Benchmark]: RCFGBuilder took 722.99ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-12-14 20:09:29,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.06ms. Allocated memory is still 71.3MB. Free memory was 49.9MB in the beginning and 48.0MB in the end (delta: 1.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.79ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 46.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 71.3MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.99ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). Peak memory consumption was 20.5MB. 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. [2022-12-14 20:09:29,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4679588-a685-4659-8df5-a90090bf27e8/bin/ukojak-rkRKPMF4O4/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?