./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-regression/test08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3 --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 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:01:53,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:01:53,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:01:53,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:01:53,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:01:53,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:01:53,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:01:53,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:01:53,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:01:53,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:01:53,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:01:53,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:01:53,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:01:53,102 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:01:53,102 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:01:53,102 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:01:53,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:01:53,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:01:53,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:01:53,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:01:53,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:01:53,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:01:53,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:01:53,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:01:53,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:01:53,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:01:53,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:01:53,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:01:53,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:01:53,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3 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 -> 55f41c66c50792cda5d5bbe104482e2cd600942b05623220f52aeb9f6286617d [2024-11-25 03:01:53,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:01:53,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:01:53,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:01:53,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:01:53,439 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:01:53,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/ldv-regression/test08.c [2024-11-25 03:01:56,513 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/data/3d55ed0b6/b5348411826645e29bca7db50444ed4a/FLAGc94c09117 [2024-11-25 03:01:56,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:01:56,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/sv-benchmarks/c/ldv-regression/test08.c [2024-11-25 03:01:56,788 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/data/3d55ed0b6/b5348411826645e29bca7db50444ed4a/FLAGc94c09117 [2024-11-25 03:01:56,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/data/3d55ed0b6/b5348411826645e29bca7db50444ed4a [2024-11-25 03:01:56,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:01:56,822 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:01:56,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:01:56,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:01:56,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:01:56,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:01:56" (1/1) ... [2024-11-25 03:01:56,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d1e840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:56, skipping insertion in model container [2024-11-25 03:01:56,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:01:56" (1/1) ... [2024-11-25 03:01:56,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:01:57,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:01:57,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:01:57,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:01:57,087 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:01:57,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57 WrapperNode [2024-11-25 03:01:57,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:01:57,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:01:57,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:01:57,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:01:57,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,129 INFO L138 Inliner]: procedures = 12, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 03:01:57,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:01:57,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:01:57,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:01:57,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:01:57,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,147 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,151 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:01:57,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:01:57,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:01:57,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:01:57,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:01:57,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:01:57,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:01:57,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:01:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:01:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:01:57,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:01:57,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:01:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:01:57,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:01:57,311 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:01:57,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:01:57,520 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-25 03:01:57,520 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:01:57,617 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:01:57,617 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:01:57,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:57 BoogieIcfgContainer [2024-11-25 03:01:57,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:01:57,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:01:57,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:01:57,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:01:57,635 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:57" (1/1) ... [2024-11-25 03:01:57,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:01:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2024-11-25 03:01:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-25 03:01:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 03:01:57,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:57,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:01:58,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:58,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2024-11-25 03:01:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2024-11-25 03:01:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 03:01:58,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:01:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2024-11-25 03:01:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2024-11-25 03:01:58,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:01:58,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:58,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:58,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:01:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:58,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2024-11-25 03:01:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2024-11-25 03:01:58,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:01:58,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:58,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:01:59,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:59,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-11-25 03:01:59,239 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-11-25 03:01:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:01:59,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:01:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:01:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:01:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:01:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:01:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2024-11-25 03:02:00,000 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2024-11-25 03:02:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:02:00,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:02:00,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:02:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:00,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:02:00,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:02:00,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2024-11-25 03:02:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2024-11-25 03:02:00,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:02:00,757 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 03:02:00,768 INFO L726 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-25 03:02:00,832 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-25 03:02:00,832 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:02:00,833 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:02:00,833 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:02:00,833 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-25 03:02:00,833 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: (and (= ~p1~0.offset |~#a~0.offset|) (not (= ~p2~0.base |~#a~0.base|)) (= |~#a~0.base| ~p1~0.base) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1) (= 5 |ULTIMATE.start_main_#t~post8#1|)) [2024-11-25 03:02:00,833 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:02:00,833 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2024-11-25 03:02:00,834 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:02:00,834 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 10) no Hoare annotation was computed. [2024-11-25 03:02:00,834 INFO L77 FloydHoareUtils]: At program point L10(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-25 03:02:00,834 INFO L77 FloydHoareUtils]: At program point L10-1(line 10) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= .cse0 |ULTIMATE.start_f_#t~mem4#1|) (<= |ULTIMATE.start_f_#t~mem4#1| 4) (<= 4 .cse0))) [2024-11-25 03:02:00,834 INFO L77 FloydHoareUtils]: At program point L10-2(line 10) the Hoare annotation is: (and (= |ULTIMATE.start_f_#t~mem5#1| 1) (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) (<= |ULTIMATE.start_f_#t~mem6#1| |ULTIMATE.start_f_#t~mem4#1|)) [2024-11-25 03:02:00,835 INFO L77 FloydHoareUtils]: At program point L10-3(line 10) the Hoare annotation is: (<= (+ |ULTIMATE.start_f_#t~mem5#1| |ULTIMATE.start_f_#t~mem4#1|) (+ 2147483643 |ULTIMATE.start_f_#t~mem6#1|)) [2024-11-25 03:02:00,841 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem5 [2024-11-25 03:02:00,842 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem4 [2024-11-25 03:02:00,845 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~mem6 [2024-11-25 03:02:00,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:02:00 ImpRootNode [2024-11-25 03:02:00,846 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:02:00,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:02:00,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:02:00,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:02:00,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:01:57" (3/4) ... [2024-11-25 03:02:00,851 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:02:00,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:02:00,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:02:00,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:02:00,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-25 03:02:00,935 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:02:00,936 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:02:00,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:02:00,937 INFO L158 Benchmark]: Toolchain (without parser) took 4114.82ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 57.7MB in the end (delta: 35.4MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-25 03:02:00,937 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:00,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.42ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:00,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.11ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:00,938 INFO L158 Benchmark]: Boogie Preprocessor took 25.05ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 546.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:02:00,939 INFO L158 Benchmark]: RCFGBuilder took 464.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:02:00,939 INFO L158 Benchmark]: CodeCheck took 3225.06ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 62.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-25 03:02:00,940 INFO L158 Benchmark]: Witness Printer took 89.15ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:02:00,941 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, 14 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 0 mSDtfsCounter, 213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 148 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 213 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.42ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 82.5MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.11ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 81.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.05ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.5MB in the end (delta: 546.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 66.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3225.06ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 62.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 89.15ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~mem6 RESULT: Ultimate proved your program to be correct! [2024-11-25 03:02:00,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e9e8c7c-4100-44ff-badc-ac951495e2bc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE