./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 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:44:54,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:44:54,155 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:44:54,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:44:54,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:44:54,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:44:54,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:44:54,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:44:54,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:44:54,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:44:54,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:44:54,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:44:54,202 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:44:54,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:44:54,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:44:54,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:44:54,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:44:54,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:44:54,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:44:54,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:44:54,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:44:54,213 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:44:54,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:44:54,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:44:54,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:44:54,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:44:54,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:44:54,216 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:44:54,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:54,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:44:54,217 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:44:54,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:44:54,218 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:44:54,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:44:54,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:44:54,220 INFO L153 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_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12afb8178f03cf9f30c3db13fe59541339718c2babf1801d998ad3c12365b61d [2023-11-21 18:44:54,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:44:54,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:44:54,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:44:54,527 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:44:54,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:44:54,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2023-11-21 18:44:57,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:57,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:57,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/sv-benchmarks/c/termination-nla/dijkstra6-both-nt.c [2023-11-21 18:44:57,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/data/e509d6cb2/dee886f26cb24e8dbad319dcfb7c72ac/FLAGef6526729 [2023-11-21 18:44:57,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/data/e509d6cb2/dee886f26cb24e8dbad319dcfb7c72ac [2023-11-21 18:44:57,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:57,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:57,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:57,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:57,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:57,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:57" (1/1) ... [2023-11-21 18:44:57,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a39c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:57, skipping insertion in model container [2023-11-21 18:44:57,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:57" (1/1) ... [2023-11-21 18:44:57,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:58,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:58,065 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:58,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:58,093 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:58,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58 WrapperNode [2023-11-21 18:44:58,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:58,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:58,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:58,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:58,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,132 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62 [2023-11-21 18:44:58,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:58,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:58,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:58,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:58,144 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:58,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:58,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:58,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:58,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:58,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:58,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:58,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:58,303 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:58,305 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:58,606 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:58,628 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:58,628 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:44:58,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:58 BoogieIcfgContainer [2023-11-21 18:44:58,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:58,631 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:58,631 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:58,642 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:58,644 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:58" (1/1) ... [2023-11-21 18:44:58,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:58,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 64 states and 69 transitions. [2023-11-21 18:44:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2023-11-21 18:44:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:44:58,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:58,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2023-11-21 18:44:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2023-11-21 18:44:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:44:58,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:58,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:58,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2023-11-21 18:44:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2023-11-21 18:44:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:44:58,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:58,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:58,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:58,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:59,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:59,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2023-11-21 18:44:59,238 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2023-11-21 18:44:59,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:44:59,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:59,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:59,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2023-11-21 18:44:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2023-11-21 18:44:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:44:59,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:59,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:59,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:59,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:44:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2023-11-21 18:44:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2023-11-21 18:44:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:44:59,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:59,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:59,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:44:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:44:59,757 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2023-11-21 18:44:59,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:44:59 ImpRootNode [2023-11-21 18:44:59,783 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:44:59,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:44:59,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:44:59,784 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:44:59,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:58" (3/4) ... [2023-11-21 18:44:59,785 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:44:59,825 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:44:59,825 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:44:59,826 INFO L158 Benchmark]: Toolchain (without parser) took 1958.92ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 120.0MB in the end (delta: 15.5MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-21 18:44:59,826 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 127.9MB. Free memory was 96.7MB in the beginning and 96.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:59,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.66ms. Allocated memory is still 180.4MB. Free memory was 134.9MB in the beginning and 125.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:44:59,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 180.4MB. Free memory was 125.1MB in the beginning and 123.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:59,828 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 122.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:59,829 INFO L158 Benchmark]: RCFGBuilder took 463.85ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 106.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:44:59,829 INFO L158 Benchmark]: CodeCheck took 1151.48ms. Allocated memory is still 180.4MB. Free memory was 106.9MB in the beginning and 122.1MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:44:59,830 INFO L158 Benchmark]: Witness Printer took 41.57ms. Allocated memory is still 180.4MB. Free memory was 122.1MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:44:59,833 INFO L338 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: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 158 IncrementalHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 46 mSDtfsCounter, 158 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 0.22ms. Allocated memory is still 127.9MB. Free memory was 96.7MB in the beginning and 96.7MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.66ms. Allocated memory is still 180.4MB. Free memory was 134.9MB in the beginning and 125.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 180.4MB. Free memory was 125.1MB in the beginning and 123.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 180.4MB. Free memory was 123.7MB in the beginning and 122.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.85ms. Allocated memory is still 180.4MB. Free memory was 122.3MB in the beginning and 106.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1151.48ms. Allocated memory is still 180.4MB. Free memory was 106.9MB in the beginning and 122.1MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 41.57ms. Allocated memory is still 180.4MB. Free memory was 122.1MB in the beginning and 120.0MB 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! [2023-11-21 18:44:59,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b247d265-daa9-4e97-a14b-ddfa237c085a/bin/ukojak-verify-i0I2FZA1j2/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)