./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/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_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/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 32bit --witnessprinter.graph.data.programhash 4db0bca5538daf39b8ff60992164692d97581cce14eb7bcb8400899fae1cb0e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:58,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:58,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:04:58,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:04:58,741 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:04:58,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:58,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:58,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:58,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:58,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:58,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:58,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:58,764 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:58,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:58,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:58,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:04:58,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:04:58,766 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_987c99da-bece-4e06-a22f-0f5ebfaab9d7/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4db0bca5538daf39b8ff60992164692d97581cce14eb7bcb8400899fae1cb0e3 [2024-11-13 21:04:59,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:59,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:59,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:59,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:59,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:59,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c Unable to find full path for "g++" [2024-11-13 21:05:00,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:05:01,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:05:01,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2024-11-13 21:05:01,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/data/6db07bb08/525365d243764c589e070cbadf423f3a/FLAGd35afcb77 [2024-11-13 21:05:01,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/data/6db07bb08/525365d243764c589e070cbadf423f3a [2024-11-13 21:05:01,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:05:01,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:05:01,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:05:01,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:05:01,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:05:01,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb4df8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01, skipping insertion in model container [2024-11-13 21:05:01,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:05:01,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:05:01,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:05:01,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:05:01,487 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:05:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01 WrapperNode [2024-11-13 21:05:01,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:05:01,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:05:01,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:05:01,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:05:01,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,528 INFO L138 Inliner]: procedures = 16, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-11-13 21:05:01,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:05:01,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:05:01,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:05:01,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:05:01,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:05:01,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:05:01,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:05:01,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:05:01,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:01,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:05:01,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:05:01,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:05:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:05:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:05:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:05:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:05:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:05:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:05:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:05:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2024-11-13 21:05:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2024-11-13 21:05:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:05:01,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:05:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:05:01,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:05:01,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:05:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:05:01,742 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:05:01,744 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:05:01,939 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 21:05:01,939 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:05:01,997 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:05:01,998 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:05:01,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01 BoogieIcfgContainer [2024-11-13 21:05:01,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:05:01,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:05:01,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:05:02,009 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:05:02,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01" (1/1) ... [2024-11-13 21:05:02,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:05:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-13 21:05:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-13 21:05:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:05:02,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:05:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2024-11-13 21:05:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2024-11-13 21:05:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:05:02,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:02,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:05:04,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:04,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 38 transitions. [2024-11-13 21:05:04,577 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 21:05:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:05:04,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:05:07,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 33 states and 43 transitions. [2024-11-13 21:05:07,178 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-13 21:05:07,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:05:07,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:07,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:09,932 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:05:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 36 states and 51 transitions. [2024-11-13 21:05:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2024-11-13 21:05:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:05:14,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:14,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:05:20,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 36 states and 50 transitions. [2024-11-13 21:05:20,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-13 21:05:20,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:05:20,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:05:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:22,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:05:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:26,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 28 states and 36 transitions. [2024-11-13 21:05:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 21:05:26,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 21:05:26,897 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-13 21:05:26,905 INFO L729 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-11-13 21:05:27,243 INFO L77 FloydHoareUtils]: At program point L58(lines 58 64) the Hoare annotation is: true [2024-11-13 21:05:27,248 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (= func_to_recursive_line_30_to_38_0_~x.base func_to_recursive_line_30_to_38_0_~z.base)) (.cse0 (= func_to_recursive_line_30_to_38_0_~y.base |func_to_recursive_line_30_to_38_0_#in~y.base|)) (.cse2 (= func_to_recursive_line_30_to_38_0_~z.base func_to_recursive_line_30_to_38_0_~c.base))) (and (= func_to_recursive_line_30_to_38_0_~x.base |func_to_recursive_line_30_to_38_0_#in~x.base|) (= |#memory_int| |old(#memory_int)|) (or (let ((.cse1 (= func_to_recursive_line_30_to_38_0_~c.offset |func_to_recursive_line_30_to_38_0_#in~c.offset|))) (and (= (select (select |#memory_int| func_to_recursive_line_30_to_38_0_~y.base) func_to_recursive_line_30_to_38_0_~y.offset) |func_to_recursive_line_30_to_38_0_#t~mem7|) (= func_to_recursive_line_30_to_38_0_~z.base |func_to_recursive_line_30_to_38_0_#in~z.base|) .cse0 (or .cse1 (not .cse2)) (= func_to_recursive_line_30_to_38_0_~y.offset |func_to_recursive_line_30_to_38_0_#in~y.offset|) (or (= (select (select |#memory_int| func_to_recursive_line_30_to_38_0_~c.base) func_to_recursive_line_30_to_38_0_~c.offset) 1) .cse1))) .cse3) (or (not .cse3) (= |func_to_recursive_line_30_to_38_0_#in~x.base| |func_to_recursive_line_30_to_38_0_#in~z.base|)) (= |func_to_recursive_line_30_to_38_0_#in~c.base| func_to_recursive_line_30_to_38_0_~c.base) (or .cse0 .cse2))) [2024-11-13 21:05:27,248 INFO L77 FloydHoareUtils]: At program point L57-1(line 57) the Hoare annotation is: true [2024-11-13 21:05:27,248 INFO L77 FloydHoareUtils]: At program point L54(lines 54 73) the Hoare annotation is: (let ((.cse0 (= func_to_recursive_line_30_to_38_0_~y.base |func_to_recursive_line_30_to_38_0_#in~y.base|)) (.cse1 (= func_to_recursive_line_30_to_38_0_~z.base func_to_recursive_line_30_to_38_0_~c.base))) (and (= func_to_recursive_line_30_to_38_0_~x.base |func_to_recursive_line_30_to_38_0_#in~x.base|) (= |#memory_int| |old(#memory_int)|) (= func_to_recursive_line_30_to_38_0_~z.base |func_to_recursive_line_30_to_38_0_#in~z.base|) (= |func_to_recursive_line_30_to_38_0_#in~c.base| func_to_recursive_line_30_to_38_0_~c.base) (or .cse0 .cse1) (or (= func_to_recursive_line_30_to_38_0_~x.base func_to_recursive_line_30_to_38_0_~z.base) (let ((.cse2 (= func_to_recursive_line_30_to_38_0_~c.offset |func_to_recursive_line_30_to_38_0_#in~c.offset|))) (and .cse0 (or .cse2 (not .cse1)) (= func_to_recursive_line_30_to_38_0_~y.offset |func_to_recursive_line_30_to_38_0_#in~y.offset|) (or (= (select (select |#memory_int| func_to_recursive_line_30_to_38_0_~c.base) func_to_recursive_line_30_to_38_0_~c.offset) 1) .cse2)))))) [2024-11-13 21:05:27,248 INFO L77 FloydHoareUtils]: At program point L54-1(lines 52 74) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 52 74) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L69(line 69) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point func_to_recursive_line_30_to_38_0EXIT(lines 52 74) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 91) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L92(line 92) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L91(line 91) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L92-1(line 92) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L90(line 90) the Hoare annotation is: true [2024-11-13 21:05:27,249 INFO L77 FloydHoareUtils]: At program point L91-1(line 91) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point L90-1(line 90) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point L86(line 86) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point L85(line 85) the Hoare annotation is: (and (= (select (select (store |#memory_int| |ULTIMATE.start_main_~#x~0#1.base| (store (select |#memory_int| |ULTIMATE.start_main_~#x~0#1.base|) |ULTIMATE.start_main_~#x~0#1.offset| 1)) |ULTIMATE.start_main_~#z~0#1.base|) |ULTIMATE.start_main_~#z~0#1.offset|) |ULTIMATE.start_main_#t~mem17#1|) (not (= |ULTIMATE.start_main_~#z~0#1.base| |ULTIMATE.start_main_~#x~0#1.base|)) (not (= |ULTIMATE.start_main_~#y~0#1.base| |ULTIMATE.start_main_~#c~0#1.base|)) (not (= |ULTIMATE.start_main_~#c~0#1.base| |ULTIMATE.start_main_~#x~0#1.base|)) (< (select (select |#memory_int| |ULTIMATE.start_main_~#z~0#1.base|) |ULTIMATE.start_main_~#z~0#1.offset|) 2147483648) (not (= |ULTIMATE.start_main_~#z~0#1.base| |ULTIMATE.start_main_~#y~0#1.base|)) (not (= |ULTIMATE.start_main_~#k~0#1.base| |ULTIMATE.start_main_~#z~0#1.base|)) (not (= |ULTIMATE.start_main_~#z~0#1.base| |ULTIMATE.start_main_~#c~0#1.base|))) [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point L86-1(line 86) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point L85-1(line 85) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 25 34) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 25 34) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 36 50) the Hoare annotation is: true [2024-11-13 21:05:27,250 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 36 50) the Hoare annotation is: true [2024-11-13 21:05:27,262 WARN L162 FloydHoareUtils]: Requires clause for func_to_recursive_line_30_to_38_0 contained old-variable. Original clause: (= |#memory_int| |old(#memory_int)|) Eliminated clause: true [2024-11-13 21:05:27,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:05:27 ImpRootNode [2024-11-13 21:05:27,269 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:05:27,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:05:27,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:05:27,270 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:05:27,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:01" (3/4) ... [2024-11-13 21:05:27,272 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 21:05:27,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_30_to_38_0 [2024-11-13 21:05:27,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 21:05:27,274 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 21:05:27,277 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-13 21:05:27,277 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 21:05:27,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 21:05:27,278 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 21:05:27,367 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:05:27,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 21:05:27,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:05:27,371 INFO L158 Benchmark]: Toolchain (without parser) took 26156.23ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.7MB in the beginning and 239.3MB in the end (delta: -120.6MB). Peak memory consumption was 157.9MB. Max. memory is 16.1GB. [2024-11-13 21:05:27,372 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:27,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.11ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:05:27,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.47ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:27,373 INFO L158 Benchmark]: Boogie Preprocessor took 39.20ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:27,374 INFO L158 Benchmark]: RCFGBuilder took 430.04ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 89.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:05:27,374 INFO L158 Benchmark]: CodeCheck took 25269.66ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 89.4MB in the beginning and 243.3MB in the end (delta: -153.8MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. [2024-11-13 21:05:27,375 INFO L158 Benchmark]: Witness Printer took 98.72ms. Allocated memory is still 427.8MB. Free memory was 243.3MB in the beginning and 239.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:27,378 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 4 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 410 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 244 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1249 IncrementalHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 244 mSolverCounterUnsat, 260 mSDtfsCounter, 1249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1855 GetRequests, 1657 SyntacticMatches, 44 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9128 ImplicationChecksByTransitivity, 17.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 163 NumberOfCodeBlocks, 163 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 2628 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 26/58 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: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 91]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 25]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 142.6MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.11ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 107.4MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.47ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.20ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.2MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.04ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 89.4MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 25269.66ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 89.4MB in the beginning and 243.3MB in the end (delta: -153.8MB). Peak memory consumption was 132.7MB. Max. memory is 16.1GB. * Witness Printer took 98.72ms. Allocated memory is still 427.8MB. Free memory was 243.3MB in the beginning and 239.3MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 21:05:27,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_987c99da-bece-4e06-a22f-0f5ebfaab9d7/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