./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/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_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/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_e4be8c4c-82a1-4842-8408-b72965dd4596/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 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- 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 [2022-12-15 00:44:37,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:44:37,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:44:37,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:44:37,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:44:37,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:44:37,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:44:37,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:44:37,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:44:37,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:44:37,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:44:37,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:44:37,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:44:37,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:44:37,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:44:37,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:44:37,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:44:37,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:44:37,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:44:37,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:44:37,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:44:37,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:44:37,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:44:37,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:44:37,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:44:37,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:44:37,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:44:37,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:44:37,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:44:37,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:44:37,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:44:37,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:44:37,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:44:37,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:44:37,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:44:37,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:44:37,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:44:37,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:44:37,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:44:37,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:44:37,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:44:37,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:44:37,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:44:37,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:44:37,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:44:37,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:44:37,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:44:37,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:44:37,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:44:37,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:44:37,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:44:37,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:44:37,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:44:37,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:44:37,255 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:44:37,255 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:44:37,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:44:37,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:44:37,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:44:37,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:44:37,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:44:37,256 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:44:37,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:44:37,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:44:37,256 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_e4be8c4c-82a1-4842-8408-b72965dd4596/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2022-12-15 00:44:37,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:44:37,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:44:37,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:44:37,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:44:37,442 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:44:37,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2022-12-15 00:44:40,009 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:44:40,178 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:44:40,178 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2022-12-15 00:44:40,184 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/data/cf933d921/e3386eb739ea4249ac4b2a11d5ead986/FLAG9b37f09fb [2022-12-15 00:44:40,582 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/data/cf933d921/e3386eb739ea4249ac4b2a11d5ead986 [2022-12-15 00:44:40,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:44:40,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:44:40,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:44:40,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:44:40,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:44:40,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f94505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40, skipping insertion in model container [2022-12-15 00:44:40,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:44:40,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:44:40,742 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_e4be8c4c-82a1-4842-8408-b72965dd4596/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2022-12-15 00:44:40,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:44:40,760 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:44:40,772 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_e4be8c4c-82a1-4842-8408-b72965dd4596/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2022-12-15 00:44:40,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:44:40,787 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:44:40,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40 WrapperNode [2022-12-15 00:44:40,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:44:40,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:44:40,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:44:40,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:44:40,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,811 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2022-12-15 00:44:40,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:44:40,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:44:40,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:44:40,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:44:40,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:44:40,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:44:40,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:44:40,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:44:40,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:44:40" (1/1) ... [2022-12-15 00:44:40,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:44:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:44:40,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:44:40,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:44:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:44:40,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:44:40,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:44:40,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:44:40,930 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:44:40,932 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:44:41,014 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:44:41,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:44:41,030 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:44:41,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:44:41 BoogieIcfgContainer [2022-12-15 00:44:41,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:44:41,033 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:44:41,033 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:44:41,041 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:44:41,041 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:44:41" (1/1) ... [2022-12-15 00:44:41,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:44:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:44:41,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2022-12-15 00:44:41,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2022-12-15 00:44:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:44:41,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:44:41,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:44:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:44:41,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:44:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:44:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-12-15 00:44:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-12-15 00:44:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:44:41,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:44:41,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:44:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:44:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:44:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:44:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 00:44:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 00:44:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:44:41,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:44:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:44:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:44:41,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:44:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:44:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:44:41,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:44:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:44:41,397 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2022-12-15 00:44:41,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:44:41 ImpRootNode [2022-12-15 00:44:41,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:44:41,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:44:41,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:44:41,418 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:44:41,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:44:41" (3/4) ... [2022-12-15 00:44:41,420 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:44:41,446 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4be8c4c-82a1-4842-8408-b72965dd4596/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:44:41,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:44:41,447 INFO L158 Benchmark]: Toolchain (without parser) took 861.32ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 88.8MB in the beginning and 134.0MB in the end (delta: -45.2MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-12-15 00:44:41,448 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 88.0MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:44:41,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.40ms. Allocated memory is still 123.7MB. Free memory was 88.8MB in the beginning and 78.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:44:41,449 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 123.7MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:44:41,449 INFO L158 Benchmark]: Boogie Preprocessor took 13.57ms. Allocated memory is still 123.7MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:44:41,449 INFO L158 Benchmark]: RCFGBuilder took 206.55ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 65.2MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:44:41,450 INFO L158 Benchmark]: CodeCheck took 383.83ms. Allocated memory was 123.7MB in the beginning and 163.6MB in the end (delta: 39.8MB). Free memory was 65.2MB in the beginning and 133.7MB in the end (delta: -68.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:44:41,450 INFO L158 Benchmark]: Witness Printer took 29.31ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 134.0MB in the end (delta: -307.5kB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-12-15 00:44:41,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 6 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i