./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohendiv.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohendiv.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:17,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:17,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:26:17,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:17,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:17,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:17,696 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:17,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:17,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:17,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:17,707 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:17,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:17,708 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:17,710 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:17,711 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:17,711 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:17,712 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:17,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:17,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:17,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:17,713 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:17,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:17,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:17,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:17,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:17,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:17,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:17,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:17,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:17,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:17,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:17,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:17,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:17,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:17,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:17,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d6660b4fea1525f79546380d9fc86f7ff57e03176037fab78e14751bab459a9 [2023-11-21 18:26:18,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:18,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:18,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:18,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:18,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:18,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/cohendiv.c [2023-11-21 18:26:21,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:21,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:21,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/sv-benchmarks/c/nla-digbench/cohendiv.c [2023-11-21 18:26:21,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/data/f7f62e5ba/8590bb0edb0c41b3a2b73b14dc7fcb36/FLAG64c304d46 [2023-11-21 18:26:21,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/data/f7f62e5ba/8590bb0edb0c41b3a2b73b14dc7fcb36 [2023-11-21 18:26:21,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:21,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:21,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:21,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:21,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:21,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32037a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21, skipping insertion in model container [2023-11-21 18:26:21,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,526 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:21,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:21,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:21,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:21,797 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:21,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21 WrapperNode [2023-11-21 18:26:21,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:21,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:21,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:21,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:21,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,861 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2023-11-21 18:26:21,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:21,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:21,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:21,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:21,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,902 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:21,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:21,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:21,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:21,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:21" (1/1) ... [2023-11-21 18:26:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:21,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:21,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:21,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:26:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:26:22,082 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:22,084 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:22,436 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:22,487 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:22,488 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:22,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:22 BoogieIcfgContainer [2023-11-21 18:26:22,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:22,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:22,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:22,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:22,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:22" (1/1) ... [2023-11-21 18:26:22,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:22,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2023-11-21 18:26:22,586 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2023-11-21 18:26:22,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:26:22,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:22,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:22,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:22,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 78 states and 87 transitions. [2023-11-21 18:26:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2023-11-21 18:26:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:26:22,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:22,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:22,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 79 states and 88 transitions. [2023-11-21 18:26:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 88 transitions. [2023-11-21 18:26:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:22,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:22,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:22,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:22,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 84 states and 96 transitions. [2023-11-21 18:26:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2023-11-21 18:26:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:23,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:23,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:23,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 85 states and 97 transitions. [2023-11-21 18:26:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 97 transitions. [2023-11-21 18:26:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:26:23,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:23,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:23,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:23,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 92 states and 107 transitions. [2023-11-21 18:26:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 107 transitions. [2023-11-21 18:26:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:26:23,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:23,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:23,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:23,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:23,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2023-11-21 18:26:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2023-11-21 18:26:23,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:26:23,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:23,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:23,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:23,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:24,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 103 states and 123 transitions. [2023-11-21 18:26:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2023-11-21 18:26:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:24,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:24,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:24,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:24,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:24,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2023-11-21 18:26:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-21 18:26:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:24,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:24,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:24,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:26:24,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 107 states and 128 transitions. [2023-11-21 18:26:24,351 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 128 transitions. [2023-11-21 18:26:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:24,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:24,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:24,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:24,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 119 states and 149 transitions. [2023-11-21 18:26:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2023-11-21 18:26:25,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:26:25,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:25,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:25,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 124 states and 156 transitions. [2023-11-21 18:26:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 156 transitions. [2023-11-21 18:26:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:26:25,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:25,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:25,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:26:25,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 129 states and 169 transitions. [2023-11-21 18:26:26,514 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 169 transitions. [2023-11-21 18:26:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:26:26,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:26,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:26,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:26,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:26,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 133 states and 172 transitions. [2023-11-21 18:26:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2023-11-21 18:26:27,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:27,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:27,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 138 states and 180 transitions. [2023-11-21 18:26:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 180 transitions. [2023-11-21 18:26:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:26:27,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:27,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:27,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:27,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 144 states and 189 transitions. [2023-11-21 18:26:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 189 transitions. [2023-11-21 18:26:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:26:28,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:28,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:28,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:28,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 151 states and 199 transitions. [2023-11-21 18:26:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 199 transitions. [2023-11-21 18:26:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:26:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:29,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:29,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:29,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 159 states and 211 transitions. [2023-11-21 18:26:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2023-11-21 18:26:30,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:26:30,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:30,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:30,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:30,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:26:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 228 transitions. [2023-11-21 18:26:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2023-11-21 18:26:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:26:31,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:31,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:26:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:26:31,706 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 19 iterations. [2023-11-21 18:26:31,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:26:31 ImpRootNode [2023-11-21 18:26:31,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:26:31,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:26:31,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:26:31,755 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:26:31,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:22" (3/4) ... [2023-11-21 18:26:31,757 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:26:31,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:26:31,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:26:31,855 INFO L158 Benchmark]: Toolchain (without parser) took 10375.09ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 173.9MB in the beginning and 99.3MB in the end (delta: 74.6MB). Peak memory consumption was 114.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,856 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:31,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.18ms. Allocated memory is still 201.3MB. Free memory was 173.7MB in the beginning and 166.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.45ms. Allocated memory is still 201.3MB. Free memory was 166.4MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,857 INFO L158 Benchmark]: Boogie Preprocessor took 45.21ms. Allocated memory is still 201.3MB. Free memory was 164.4MB in the beginning and 163.4MB in the end (delta: 953.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:31,858 INFO L158 Benchmark]: RCFGBuilder took 581.57ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 161.0MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,859 INFO L158 Benchmark]: CodeCheck took 9264.11ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 161.0MB in the beginning and 101.4MB in the end (delta: 59.6MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,860 INFO L158 Benchmark]: Witness Printer took 99.28ms. Allocated memory is still 243.3MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:31,865 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 2 procedures, 76 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1654 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1095 mSDsluCounter, 1020 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3228 IncrementalHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 610 mSDtfsCounter, 3228 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2970 GetRequests, 2788 SyntacticMatches, 28 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12149 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1094 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 58/58 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 - CounterExampleResult [Line: 49]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, q, r, a, b; [L25] x = __VERIFIER_nondet_int() [L26] y = __VERIFIER_nondet_int() [L28] CALL assume_abort_if_not(y >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(y >= 1) [L30] q = 0 [L31] r = x [L32] a = 0 [L33] b = 0 VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L35] COND TRUE 1 VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] EXPR y*a VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L36] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L36] RET __VERIFIER_assert(b == y*a) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] EXPR q*y + r VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L37] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L37] RET __VERIFIER_assert(x == q*y + r) VAL [a=0, b=0, q=0, r=1073741824, x=1073741824, y=1073741824] [L39] COND FALSE !(!(r >= y)) [L41] a = 1 [L42] b = y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L44] COND TRUE 1 VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] EXPR y*a VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L45] CALL __VERIFIER_assert(b == y*a) [L15] COND FALSE !(!(cond)) [L45] RET __VERIFIER_assert(b == y*a) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] EXPR q*y + r VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L46] CALL __VERIFIER_assert(x == q*y + r) [L15] COND FALSE !(!(cond)) [L46] RET __VERIFIER_assert(x == q*y + r) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L47] CALL __VERIFIER_assert(r >= 0) [L15] COND FALSE !(!(cond)) [L47] RET __VERIFIER_assert(r >= 0) VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] [L49] 2 * b VAL [a=1, b=1073741824, q=0, r=1073741824, x=1073741824, y=1073741824] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.18ms. Allocated memory is still 201.3MB. Free memory was 173.7MB in the beginning and 166.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.45ms. Allocated memory is still 201.3MB. Free memory was 166.4MB in the beginning and 164.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.21ms. Allocated memory is still 201.3MB. Free memory was 164.4MB in the beginning and 163.4MB in the end (delta: 953.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.57ms. Allocated memory is still 201.3MB. Free memory was 163.4MB in the beginning and 161.0MB in the end (delta: 2.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 9264.11ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 161.0MB in the beginning and 101.4MB in the end (delta: 59.6MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 99.28ms. Allocated memory is still 243.3MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:26:31,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b84a8da-d5c0-4a40-9014-4a654e64330c/bin/ukojak-verify-i0I2FZA1j2/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)