./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg --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 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d --- 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-b5237d8 [2022-11-21 22:30:40,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:30:40,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:30:40,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:30:40,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:30:40,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:30:40,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:30:40,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:30:40,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:30:40,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:30:40,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:30:40,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:30:40,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:30:40,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:30:40,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:30:40,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:30:40,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:30:40,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:30:40,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:30:40,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:30:40,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:30:40,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:30:40,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:30:40,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:30:40,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:30:40,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:30:40,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:30:40,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:30:40,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:30:40,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:30:40,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:30:40,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:30:40,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:30:40,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:30:40,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:30:40,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:30:40,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:30:40,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:30:40,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:30:40,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:30:40,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:30:40,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:30:40,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:30:40,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:30:40,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:30:40,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:30:40,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:30:40,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:30:40,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:30:40,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:30:40,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:30:40,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:30:40,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:30:40,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:30:40,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:30:40,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:30:40,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:30:40,479 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:30:40,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:30:40,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:30:40,480 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:30:40,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:30:40,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:30:40,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:30:40,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:30:40,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:40,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:30:40,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:30:40,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:30:40,482 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:30:40,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:30:40,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:30:40,483 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_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d [2022-11-21 22:30:40,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:30:40,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:30:40,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:30:40,796 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:30:40,797 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:30:40,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2022-11-21 22:30:43,852 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:30:44,075 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:30:44,076 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2022-11-21 22:30:44,085 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/data/f3fdf79fc/073774fdef814e048d324f310e70ed09/FLAG42ea98fd0 [2022-11-21 22:30:44,107 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/data/f3fdf79fc/073774fdef814e048d324f310e70ed09 [2022-11-21 22:30:44,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:30:44,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:30:44,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:44,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:30:44,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:30:44,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd39cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44, skipping insertion in model container [2022-11-21 22:30:44,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:30:44,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:30:44,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:44,306 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:30:44,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:30:44,333 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:30:44,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44 WrapperNode [2022-11-21 22:30:44,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:30:44,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:44,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:30:44,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:30:44,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,366 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-11-21 22:30:44,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:30:44,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:30:44,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:30:44,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:30:44,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:30:44,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:30:44,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:30:44,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:30:44,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:30:44,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:30:44,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:30:44,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:30:44,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:30:44,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:30:44,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:30:44,539 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:30:44,843 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:30:44,859 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:30:44,859 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:30:44,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:44 BoogieIcfgContainer [2022-11-21 22:30:44,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:30:44,881 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:30:44,881 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:30:44,892 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:30:44,893 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:44" (1/1) ... [2022-11-21 22:30:44,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:30:45,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2022-11-21 22:30:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2022-11-21 22:30:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 22:30:45,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:45,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:30:45,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 22:30:45,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:30:45,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:30:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2022-11-21 22:30:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2022-11-21 22:30:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:30:45,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:45,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:30:45,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 22:30:45,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:30:45,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:30:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2022-11-21 22:30:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-11-21 22:30:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:30:45,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:45,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:30:45,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:30:45,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:30:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:30:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2022-11-21 22:30:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-11-21 22:30:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:30:45,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:30:45,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 22:30:45,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:30:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:30:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:30:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 71 states and 86 transitions. [2022-11-21 22:30:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-11-21 22:30:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:30:45,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:30:45,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:30:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:30:45,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 22:30:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 22:30:45,902 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2022-11-21 22:30:45,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:30:45 ImpRootNode [2022-11-21 22:30:45,932 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:30:45,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:30:45,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:30:45,934 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:30:45,934 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:30:44" (3/4) ... [2022-11-21 22:30:45,939 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-21 22:30:45,996 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:30:45,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:30:45,997 INFO L158 Benchmark]: Toolchain (without parser) took 1885.12ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 117.3MB in the beginning and 167.7MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:45,998 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:45,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.52ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 107.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 22:30:45,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.39ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:30:46,000 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:46,000 INFO L158 Benchmark]: RCFGBuilder took 479.38ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 89.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:30:46,001 INFO L158 Benchmark]: CodeCheck took 1051.99ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 89.2MB in the beginning and 168.8MB in the end (delta: -79.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:46,002 INFO L158 Benchmark]: Witness Printer took 63.65ms. Allocated memory is still 203.4MB. Free memory was 168.8MB in the beginning and 167.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:30:46,005 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, 64 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 68 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 23 mSDtfsCounter, 68 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 62 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int n, p, q, r, h; [L24] n = __VERIFIER_nondet_int() [L26] p = 0 [L27] q = 1 [L28] r = n [L29] h = 0 VAL [h=0, n=-2147483648, p=0, q=1, r=-2147483648] [L40] COND TRUE q > n VAL [h=0, n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR p * p VAL [h=0, n=-2147483648, p=0, q=1, r=-2147483648] [L41] EXPR n * q VAL [h=0, n=-2147483648, p=0, q=1, r=-2147483648] [L41] p * p - n * q VAL [h=0, n=-2147483648, p=0, q=1, r=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.52ms. Allocated memory is still 163.6MB. Free memory was 117.1MB in the beginning and 107.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.39ms. Allocated memory is still 163.6MB. Free memory was 107.5MB in the beginning and 106.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 163.6MB. Free memory was 106.0MB in the beginning and 104.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 479.38ms. Allocated memory is still 163.6MB. Free memory was 104.8MB in the beginning and 89.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1051.99ms. Allocated memory was 163.6MB in the beginning and 203.4MB in the end (delta: 39.8MB). Free memory was 89.2MB in the beginning and 168.8MB in the end (delta: -79.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.65ms. Allocated memory is still 203.4MB. Free memory was 168.8MB in the beginning and 167.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 22:30:46,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f30fbd7-dcc9-4aff-a30a-aa0e302b46b3/bin/ukojak-jW3SillKbg/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)