./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:38,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:38,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:53:38,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:53:38,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:53:38,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:38,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:38,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:38,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:38,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:38,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:38,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:38,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:53:38,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:38,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:38,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:38,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:38,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:38,678 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:53:38,678 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:53:38,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:38,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:38,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:38,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:38,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:38,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:38,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:38,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:38,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:38,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:38,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:53:38,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:53:38,681 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_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad [2024-11-13 21:53:39,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:39,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:39,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:39,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:39,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:39,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i Unable to find full path for "g++" [2024-11-13 21:53:41,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:41,813 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:41,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2024-11-13 21:53:41,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/data/0065c33c1/8489b32152ea451cb01602c4849d02db/FLAG85580a06c [2024-11-13 21:53:41,842 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/data/0065c33c1/8489b32152ea451cb01602c4849d02db [2024-11-13 21:53:41,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:41,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:41,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:41,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:41,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:41,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:41" (1/1) ... [2024-11-13 21:53:41,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb22b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:41, skipping insertion in model container [2024-11-13 21:53:41,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:41" (1/1) ... [2024-11-13 21:53:41,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:42,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:42,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:42,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:42,457 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:42,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42 WrapperNode [2024-11-13 21:53:42,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:42,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:42,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:42,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:42,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,507 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-11-13 21:53:42,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:42,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:42,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:42,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:42,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:42,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:42,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:42,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:42,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:42" (1/1) ... [2024-11-13 21:53:42,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:42,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:42,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:53:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:53:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:53:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:53:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:42,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:42,722 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:42,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:42,951 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:42,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:43,033 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:43,033 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:53:43,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:43 BoogieIcfgContainer [2024-11-13 21:53:43,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:43,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:43,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:43,047 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:43,047 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:43" (1/1) ... [2024-11-13 21:53:43,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 21:53:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 21:53:43,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:53:43,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:43,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:53:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:53:43,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:53:43,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:43,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:43,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-13 21:53:43,779 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-13 21:53:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:53:43,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:43,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:44,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 21:53:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 21:53:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:53:44,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:53:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-13 21:53:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-13 21:53:44,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:53:44,808 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 21:53:44,820 INFO L729 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-13 21:53:44,871 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2024-11-13 21:53:44,871 INFO L77 FloydHoareUtils]: At program point L374(lines 374 375) the Hoare annotation is: true [2024-11-13 21:53:44,872 INFO L77 FloydHoareUtils]: At program point L391(line 391) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:53:44,873 INFO L77 FloydHoareUtils]: At program point L391-1(line 391) the Hoare annotation is: (< |ULTIMATE.start_main_~length2~0#1| 2147483648) [2024-11-13 21:53:44,873 INFO L77 FloydHoareUtils]: At program point cstrcspn_returnLabel#1(lines 364 378) the Hoare annotation is: true [2024-11-13 21:53:44,873 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-11-13 21:53:44,874 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 390) no Hoare annotation was computed. [2024-11-13 21:53:44,874 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:53:44,874 INFO L77 FloydHoareUtils]: At program point L372-3(lines 372 373) the Hoare annotation is: true [2024-11-13 21:53:44,874 INFO L77 FloydHoareUtils]: At program point L372-5(lines 372 373) the Hoare annotation is: true [2024-11-13 21:53:44,877 INFO L77 FloydHoareUtils]: At program point L372-6(lines 372 373) the Hoare annotation is: true [2024-11-13 21:53:44,878 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:53:44,878 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 391) no Hoare annotation was computed. [2024-11-13 21:53:44,878 INFO L77 FloydHoareUtils]: At program point L369-1(lines 369 376) the Hoare annotation is: true [2024-11-13 21:53:44,878 INFO L77 FloydHoareUtils]: At program point L369-3(lines 369 376) the Hoare annotation is: true [2024-11-13 21:53:44,879 INFO L77 FloydHoareUtils]: At program point L369-4(lines 369 376) the Hoare annotation is: true [2024-11-13 21:53:44,879 INFO L77 FloydHoareUtils]: At program point L390(line 390) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:53:44,879 INFO L77 FloydHoareUtils]: At program point L390-1(line 390) the Hoare annotation is: (and (< |ULTIMATE.start_main_~length2~0#1| 2147483648) (< |ULTIMATE.start_main_~length1~0#1| 2147483648) (<= 1 |ULTIMATE.start_main_~length2~0#1|)) [2024-11-13 21:53:44,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:44 ImpRootNode [2024-11-13 21:53:44,892 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:44,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:44,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:44,894 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:44,896 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:43" (3/4) ... [2024-11-13 21:53:44,899 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:53:44,907 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 21:53:44,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 21:53:44,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 21:53:44,908 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:53:45,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:53:45,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:53:45,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:45,008 INFO L158 Benchmark]: Toolchain (without parser) took 3161.24ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 89.7MB in the end (delta: 28.4MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:45,009 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:45,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.41ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 99.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:45,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.15ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:45,010 INFO L158 Benchmark]: Boogie Preprocessor took 35.58ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 97.0MB in the end (delta: 760.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:45,010 INFO L158 Benchmark]: RCFGBuilder took 489.63ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 80.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:45,011 INFO L158 Benchmark]: CodeCheck took 1857.92ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 94.9MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:45,011 INFO L158 Benchmark]: Witness Printer took 114.07ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 89.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:45,013 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 0 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 390]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 391]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.41ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 99.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.15ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.58ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 97.0MB in the end (delta: 760.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.63ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 80.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1857.92ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 94.9MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 114.07ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 89.7MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:53:45,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850cf50b-819f-4ed3-832d-6de9fc713ec2/bin/ukojak-verify-EEHR8qb7sm/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 Result: TRUE