./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array05_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array05_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash 56a165d97308b6a8d546544238ca4475941b4df8b50fd85223f9c1004e26db93 --- 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-6b4ec56 [2022-11-20 16:41:33,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:41:33,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:41:33,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:41:33,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:41:33,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:41:33,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:41:33,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:41:33,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:41:33,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:41:33,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:41:33,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:41:33,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:41:33,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:41:33,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:41:33,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:41:33,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:41:33,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:41:33,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:41:33,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:41:33,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:41:33,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:41:33,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:41:33,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:41:33,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:41:33,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:41:33,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:41:33,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:41:33,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:41:33,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:41:33,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:41:33,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:41:33,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:41:33,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:41:33,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:41:33,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:41:33,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:41:33,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:41:33,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:41:33,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:41:33,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:41:33,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:41:33,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:41:33,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:41:33,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:41:33,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:41:33,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:41:33,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:41:33,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:41:33,648 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:41:33,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:41:33,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:41:33,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:41:33,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:41:33,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:41:33,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:41:33,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:41:33,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:41:33,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:41:33,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:41:33,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:41:33,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:41:33,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:33,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:41:33,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:41:33,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:41:33,653 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:41:33,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:41:33,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:41:33,653 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_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56a165d97308b6a8d546544238ca4475941b4df8b50fd85223f9c1004e26db93 [2022-11-20 16:41:33,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:41:33,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:41:33,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:41:33,945 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:41:33,945 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:41:33,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/array05_alloca.i [2022-11-20 16:41:37,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:37,410 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:37,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/sv-benchmarks/c/termination-15/array05_alloca.i [2022-11-20 16:41:37,420 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/data/af49db09c/eca457ded17547c085cbc8c300505897/FLAG0c4c404a9 [2022-11-20 16:41:37,446 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/data/af49db09c/eca457ded17547c085cbc8c300505897 [2022-11-20 16:41:37,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:37,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:37,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:37,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:37,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:37,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:37,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a83b5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37, skipping insertion in model container [2022-11-20 16:41:37,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:37,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:37,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:37,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:37,871 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:41:37,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:37,970 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:41:37,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37 WrapperNode [2022-11-20 16:41:37,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:37,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:37,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:41:37,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:41:37,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,031 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-20 16:41:38,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:38,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:41:38,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:41:38,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:41:38,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,074 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:41:38,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:41:38,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:41:38,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:41:38,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:37" (1/1) ... [2022-11-20 16:41:38,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:38,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:41:38,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:41:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:41:38,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:41:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:41:38,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:41:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:41:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:41:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:41:38,295 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:41:38,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:41:38,576 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:41:38,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:41:38,651 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:41:38,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:38 BoogieIcfgContainer [2022-11-20 16:41:38,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:41:38,655 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:41:38,656 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:41:38,666 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:41:38,666 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:38" (1/1) ... [2022-11-20 16:41:38,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:41:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 16:41:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 16:41:38,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:41:38,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:38,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-20 16:41:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-20 16:41:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:41:39,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-20 16:41:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-20 16:41:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:41:39,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2022-11-20 16:41:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2022-11-20 16:41:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:41:39,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:39,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-11-20 16:41:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-11-20 16:41:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:41:39,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:39,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:41:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-11-20 16:41:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-11-20 16:41:40,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:41:40,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:40,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:40,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:41:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:40,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:41:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:40,260 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-11-20 16:41:40,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:40 ImpRootNode [2022-11-20 16:41:40,294 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:41:40,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:41:40,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:41:40,296 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:41:40,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:38" (3/4) ... [2022-11-20 16:41:40,302 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:41:40,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afc5c13e-a37a-4ffb-8413-c50686d95f2f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:41:40,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:41:40,346 INFO L158 Benchmark]: Toolchain (without parser) took 2892.23ms. Allocated memory is still 159.4MB. Free memory was 116.4MB in the beginning and 60.3MB in the end (delta: 56.1MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,346 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 104.9MB. Free memory was 53.8MB in the beginning and 53.7MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:40,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.44ms. Allocated memory is still 159.4MB. Free memory was 116.4MB in the beginning and 99.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.80ms. Allocated memory is still 159.4MB. Free memory was 99.1MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,348 INFO L158 Benchmark]: Boogie Preprocessor took 43.10ms. Allocated memory is still 159.4MB. Free memory was 97.1MB in the beginning and 95.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:40,349 INFO L158 Benchmark]: RCFGBuilder took 576.67ms. Allocated memory is still 159.4MB. Free memory was 95.9MB in the beginning and 128.2MB in the end (delta: -32.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,350 INFO L158 Benchmark]: CodeCheck took 1639.13ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 62.4MB in the end (delta: 65.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,350 INFO L158 Benchmark]: Witness Printer took 49.51ms. Allocated memory is still 159.4MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:40,354 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, 18 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 159 IncrementalHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 16 mSDtfsCounter, 159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/5 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: 375]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND FALSE !(length < 1) [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=0, length=1] [L370] COND TRUE i