./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array04_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/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_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/array04_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/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 64bit --witnessprinter.graph.data.programhash 1183c091737a27abb58fd8d0696c96a2bb1d5baea63debedec24831694536a86 --- 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 16:36:45,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:36:45,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:36:45,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:36:45,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:36:45,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:36:45,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:36:45,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:36:45,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:36:45,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:36:45,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:36:45,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:36:45,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:36:45,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:36:45,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:36:45,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:36:45,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:36:45,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:36:45,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:36:45,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:36:45,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:36:45,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:36:45,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:36:45,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:36:45,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:36:45,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:36:45,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:36:45,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:36:45,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:36:45,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:36:45,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:36:45,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:36:45,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:36:45,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:36:45,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:36:45,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:36:45,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:36:45,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:36:45,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:36:45,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:36:45,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:36:45,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 16:36:45,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:36:45,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:36:45,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:36:45,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:36:45,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:36:45,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:36:45,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:36:45,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:36:45,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:36:45,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:36:45,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:36:45,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:36:45,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:36:45,583 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:36:45,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:36:45,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:36:45,583 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_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1183c091737a27abb58fd8d0696c96a2bb1d5baea63debedec24831694536a86 [2022-12-14 16:36:45,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:36:45,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:36:45,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:36:45,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:36:45,762 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:36:45,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-15/array04_alloca.i [2022-12-14 16:36:48,426 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:36:48,575 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:36:48,576 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/sv-benchmarks/c/termination-15/array04_alloca.i [2022-12-14 16:36:48,582 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/data/9beae5a19/37b31f2fabc4450fbe1b95df57f97f66/FLAGab4dedc77 [2022-12-14 16:36:48,592 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/data/9beae5a19/37b31f2fabc4450fbe1b95df57f97f66 [2022-12-14 16:36:48,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:36:48,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:36:48,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:36:48,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:36:48,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:36:48,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48, skipping insertion in model container [2022-12-14 16:36:48,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:36:48,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:36:48,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:36:48,823 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:36:48,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:36:48,867 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:36:48,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48 WrapperNode [2022-12-14 16:36:48,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:36:48,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:36:48,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:36:48,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:36:48,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,895 INFO L138 Inliner]: procedures = 151, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2022-12-14 16:36:48,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:36:48,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:36:48,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:36:48,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:36:48,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,910 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:36:48,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:36:48,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:36:48,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:36:48,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:36:48" (1/1) ... [2022-12-14 16:36:48,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:36:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:36:48,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:36:48,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:36:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:36:48,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:36:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:36:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:36:48,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:36:48,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:36:49,026 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:36:49,028 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:36:49,137 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:36:49,168 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:36:49,168 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:36:49,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49 BoogieIcfgContainer [2022-12-14 16:36:49,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:36:49,171 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:36:49,171 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:36:49,179 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:36:49,179 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49" (1/1) ... [2022-12-14 16:36:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:36:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-14 16:36:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 16:36:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:36:49,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,386 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 16:36:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-12-14 16:36:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-12-14 16:36:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:36:49,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,490 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 16:36:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-12-14 16:36:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-14 16:36:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:36:49,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,583 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 16:36:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-12-14 16:36:49,610 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-12-14 16:36:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:36:49,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:49,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-12-14 16:36:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 16:36:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:36:49,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:49,843 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 16:36:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-14 16:36:49,964 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-14 16:36:49,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:36:49,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,216 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 16:36:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-14 16:36:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-14 16:36:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:36:50,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:50,891 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 16:36:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2022-12-14 16:36:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2022-12-14 16:36:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:36:51,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:51,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2022-12-14 16:36:51,575 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2022-12-14 16:36:51,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:36:51,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:51,662 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 16:36:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:51,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2022-12-14 16:36:51,856 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2022-12-14 16:36:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:36:51,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:51,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:52,043 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 16:36:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:52,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2022-12-14 16:36:52,388 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-14 16:36:52,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:36:52,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:52,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:52,744 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 16:36:53,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-14 16:36:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-14 16:36:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:36:53,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:53,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:54,134 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 16:36:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2022-12-14 16:36:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2022-12-14 16:36:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:36:54,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:54,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:54,788 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 16:36:55,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 68 transitions. [2022-12-14 16:36:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 68 transitions. [2022-12-14 16:36:55,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:36:55,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:55,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:36:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:36:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2022-12-14 16:36:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2022-12-14 16:36:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:36:55,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:36:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:36:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:36:56,921 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 41 states and 84 transitions. [2022-12-14 16:37:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 84 transitions. [2022-12-14 16:37:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:37:00,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:37:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:01,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2022-12-14 16:37:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2022-12-14 16:37:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:37:01,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:37:01,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:37:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:37:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:37:01,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 16:37:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 16:37:01,115 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2022-12-14 16:37:01,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:37:01 ImpRootNode [2022-12-14 16:37:01,141 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:37:01,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:37:01,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:37:01,142 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:37:01,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:36:49" (3/4) ... [2022-12-14 16:37:01,144 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 16:37:01,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4ea5c2-7fcf-416d-b959-c4c90394b6da/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:37:01,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:37:01,186 INFO L158 Benchmark]: Toolchain (without parser) took 12589.76ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 104.4MB in the beginning and 64.9MB in the end (delta: 39.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,186 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 140.5MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:37:01,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.66ms. Allocated memory is still 140.5MB. Free memory was 104.0MB in the beginning and 87.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.34ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 85.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,188 INFO L158 Benchmark]: Boogie Preprocessor took 15.46ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 83.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,188 INFO L158 Benchmark]: RCFGBuilder took 258.17ms. Allocated memory is still 140.5MB. Free memory was 83.8MB in the beginning and 71.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,189 INFO L158 Benchmark]: CodeCheck took 11970.27ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 71.9MB in the beginning and 67.0MB in the end (delta: 5.0MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,189 INFO L158 Benchmark]: Witness Printer took 43.13ms. Allocated memory is still 169.9MB. Free memory was 67.0MB in the beginning and 64.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:37:01,193 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 542 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 715 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2707 IncrementalHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 715 mSolverCounterUnsat, 60 mSDtfsCounter, 2707 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1545 GetRequests, 1288 SyntacticMatches, 53 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18479 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 142 ConstructedInterpolants, 0 QuantifiedInterpolants, 1569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 3 PerfectInterpolantSequences, 2/85 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=2] [L369] COND FALSE !(!arr) [L370] i=0 VAL [__builtin_alloca(length*sizeof(int))={2:0}, arr={2:0}, i=0, length=2] [L370] COND TRUE i