./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --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_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/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_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/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_2a686b89-147f-4451-8468-d62aed703998/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 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- 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 23:42:01,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:42:01,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:42:01,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:42:01,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:42:01,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:42:01,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:42:01,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:42:01,866 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:42:01,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:42:01,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:42:01,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:42:01,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:42:01,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:42:01,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:42:01,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:42:01,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:42:01,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:42:01,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:42:01,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:42:01,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:42:01,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:42:01,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:42:01,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:42:01,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:42:01,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:42:01,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:42:01,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:42:01,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:42:01,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:42:01,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:42:01,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:42:01,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:42:01,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:42:01,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:42:01,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:42:01,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:42:01,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:42:01,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:42:01,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:42:01,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:42:01,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 23:42:01,908 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:42:01,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:42:01,909 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:42:01,910 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:42:01,910 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:42:01,910 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:42:01,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:42:01,911 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:42:01,911 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 23:42:01,911 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:42:01,911 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:42:01,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:42:01,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:42:01,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:42:01,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:42:01,912 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 23:42:01,913 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:42:01,913 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:42:01,913 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:42:01,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:42:01,913 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:42:01,913 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:42:01,914 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:42:01,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:42:01,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:42:01,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:42:01,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:42:01,915 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:42:01,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:42:01,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:42:01,915 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_2a686b89-147f-4451-8468-d62aed703998/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2022-12-14 23:42:02,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:42:02,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:42:02,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:42:02,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:42:02,127 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:42:02,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2022-12-14 23:42:04,751 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:42:04,925 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:42:04,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2022-12-14 23:42:04,933 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/data/19c6baff8/a362f98f3c06496badc2d3ea422c1082/FLAG023ce4007 [2022-12-14 23:42:04,945 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/data/19c6baff8/a362f98f3c06496badc2d3ea422c1082 [2022-12-14 23:42:04,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:42:04,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:42:04,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:42:04,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:42:04,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:42:04,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:42:04" (1/1) ... [2022-12-14 23:42:04,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a476f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:04, skipping insertion in model container [2022-12-14 23:42:04,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:42:04" (1/1) ... [2022-12-14 23:42:04,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:42:04,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:42:05,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:42:05,238 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:42:05,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:42:05,276 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:42:05,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05 WrapperNode [2022-12-14 23:42:05,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:42:05,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:42:05,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:42:05,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:42:05,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,304 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-12-14 23:42:05,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:42:05,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:42:05,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:42:05,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:42:05,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,320 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:42:05,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:42:05,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:42:05,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:42:05,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:42:05,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:42:05,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:42:05,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:42:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:42:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:42:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:42:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:42:05,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:42:05,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:42:05,467 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:42:05,469 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:42:05,586 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:42:05,626 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:42:05,626 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 23:42:05,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:42:05 BoogieIcfgContainer [2022-12-14 23:42:05,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:42:05,629 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:42:05,629 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:42:05,636 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:42:05,636 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:42:05" (1/1) ... [2022-12-14 23:42:05,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:42:05,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:05,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-12-14 23:42:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-12-14 23:42:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 23:42:05,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:05,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 23:42:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 23:42:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:42:05,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:05,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-12-14 23:42:06,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-12-14 23:42:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:42:06,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-12-14 23:42:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-14 23:42:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:42:06,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:06,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 23:42:06,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2022-12-14 23:42:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-12-14 23:42:06,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:42:06,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:06,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-12-14 23:42:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-12-14 23:42:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:42:06,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:06,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 23:42:06,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:06,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-14 23:42:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2022-12-14 23:42:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2022-12-14 23:42:06,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:42:06,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:06,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2022-12-14 23:42:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-12-14 23:42:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:42:06,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:06,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2022-12-14 23:42:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2022-12-14 23:42:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:42:07,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:07,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 23:42:07,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:07,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 23:42:07,996 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 23:42:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-12-14 23:42:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-12-14 23:42:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:42:09,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:09,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2022-12-14 23:42:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2022-12-14 23:42:09,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:42:09,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:09,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:09,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:09,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2022-12-14 23:42:09,784 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2022-12-14 23:42:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 23:42:09,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:09,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 23:42:09,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:09,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-14 23:42:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 50 states and 81 transitions. [2022-12-14 23:42:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 81 transitions. [2022-12-14 23:42:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 23:42:10,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:10,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:10,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 23:42:10,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:10,562 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 23:42:10,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-14 23:42:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2022-12-14 23:42:11,292 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2022-12-14 23:42:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:42:11,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:11,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:11,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 23:42:11,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:11,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 23:42:11,489 INFO L321 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-12-14 23:42:11,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2022-12-14 23:42:11,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-12-14 23:42:11,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2022-12-14 23:42:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2022-12-14 23:42:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:42:12,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:12,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:12,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2022-12-14 23:42:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2022-12-14 23:42:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:42:12,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:12,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:12,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 23:42:12,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:12,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 23 [2022-12-14 23:42:13,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 12 [2022-12-14 23:42:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 115 transitions. [2022-12-14 23:42:15,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2022-12-14 23:42:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:42:15,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 23:42:15,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:15,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 64 states and 117 transitions. [2022-12-14 23:42:15,629 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-12-14 23:42:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:42:15,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:15,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:15,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 23:42:15,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 136 transitions. [2022-12-14 23:42:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2022-12-14 23:42:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:42:17,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:17,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:17,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 23:42:17,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 23:42:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:19,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 75 states and 145 transitions. [2022-12-14 23:42:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 145 transitions. [2022-12-14 23:42:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:42:19,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:19,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:42:19,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 23:42:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 23:42:19,316 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-12-14 23:42:19,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 11:42:19 ImpRootNode [2022-12-14 23:42:19,344 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 23:42:19,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 23:42:19,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 23:42:19,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 23:42:19,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:42:05" (3/4) ... [2022-12-14 23:42:19,346 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 23:42:19,374 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 23:42:19,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 23:42:19,374 INFO L158 Benchmark]: Toolchain (without parser) took 14426.18ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 131.9MB in the beginning and 93.3MB in the end (delta: 38.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,375 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:42:19,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.04ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 116.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.44ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,376 INFO L158 Benchmark]: Boogie Preprocessor took 16.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 112.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:42:19,376 INFO L158 Benchmark]: RCFGBuilder took 305.75ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 97.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,376 INFO L158 Benchmark]: CodeCheck took 13715.35ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,377 INFO L158 Benchmark]: Witness Printer took 29.25ms. Allocated memory is still 230.7MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:42:19,379 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, 23 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 952 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 546 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 956 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3989 IncrementalHoareTripleChecker+Invalid, 4945 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 956 mSolverCounterUnsat, 150 mSDtfsCounter, 3989 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1923 GetRequests, 1636 SyntacticMatches, 57 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21674 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 178 ConstructedInterpolants, 0 QuantifiedInterpolants, 1251 SizeOfPredicates, 56 NumberOfNonLiveVariables, 671 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 19/65 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: 524]: integer overflow possible integer overflow possible We found a FailurePath: [L531] int array_size = __VERIFIER_nondet_int(); [L532] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) [L535] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L537] int k = 0; VAL [__builtin_alloca (array_size * sizeof(int))={2:0}, array_size=1, k=0, numbers={2:0}] [L537] COND TRUE k < array_size [L539] numbers[k] = __VERIFIER_nondet_int() [L537] k++ VAL [__builtin_alloca (array_size * sizeof(int))={2:0}, array_size=1, k=1, numbers={2:0}] [L537] COND FALSE !(k < array_size) [L542] CALL test_fun(numbers, array_size) [L514] int i; [L515] int res; [L516] i = 0 VAL [\old(N)=1, a={2:0}, a={2:0}, i=0, N=1] [L516] COND TRUE i < N [L517] res = 1 [L518] EXPR a[i] [L518] COND FALSE !(a[i] == 0) [L520] EXPR a[i] [L520] COND FALSE !(a[i] < 0) [L523] EXPR a[i] VAL [\old(N)=1, a={2:0}, a={2:0}, a[i]=0, a[i]=2070862, i=0, N=1, res=1] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [\old(N)=1, a={2:0}, a={2:0}, a[i]=0, a[i]=2070862, i=0, N=1, res=1] [L524] EXPR res * a[i] [L524] res = res * a[i] [L525] EXPR a[i] [L525] a[i]-- [L523] EXPR a[i] VAL [\old(N)=1, a={2:0}, a={2:0}, a[i]=0, a[i]=2070861, i=0, N=1, res=2070862] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] VAL [\old(N)=1, a={2:0}, a={2:0}, a[i]=0, a[i]=2070861, i=0, N=1, res=2070862] [L524] res * a[i] VAL [\old(N)=1, a={2:0}, a={2:0}, a[i]=0, a[i]=2070861, i=0, N=1, res=2070862] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 110.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.04ms. Allocated memory is still 167.8MB. Free memory was 131.9MB in the beginning and 116.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.44ms. Allocated memory is still 167.8MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.83ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 112.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.75ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 97.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13715.35ms. Allocated memory was 167.8MB in the beginning and 230.7MB in the end (delta: 62.9MB). Free memory was 97.2MB in the beginning and 95.4MB in the end (delta: 1.8MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Witness Printer took 29.25ms. Allocated memory is still 230.7MB. Free memory was 95.4MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 23:42:19,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a686b89-147f-4451-8468-d62aed703998/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)