./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.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_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/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_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/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_23c79997-362d-4b54-8e8d-dde100ef2bb0/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 eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:15,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:15,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:15,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:15,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:15,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:15,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:15,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:15,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:15,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:15,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:15,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:15,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:15,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:15,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:15,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:15,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:15,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:15,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:15,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:15,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:15,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:15,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:15,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:15,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:15,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:15,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:15,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:15,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:15,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:15,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:15,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:15,778 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:15,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:15,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:15,779 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_23c79997-362d-4b54-8e8d-dde100ef2bb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 [2023-11-21 18:48:16,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:16,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:16,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:16,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:16,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:16,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2023-11-21 18:48:19,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:19,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:19,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2023-11-21 18:48:19,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/data/685723865/ad7ebeafa3ed44a18b602042cabe7d2c/FLAGb901564a2 [2023-11-21 18:48:19,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/data/685723865/ad7ebeafa3ed44a18b602042cabe7d2c [2023-11-21 18:48:19,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:19,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:19,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:19,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:19,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:19,596 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d717b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19, skipping insertion in model container [2023-11-21 18:48:19,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,623 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:19,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:19,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:19,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:19,876 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:19,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19 WrapperNode [2023-11-21 18:48:19,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:19,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:19,879 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:19,879 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:19,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,918 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-21 18:48:19,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:19,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:19,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:19,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:19,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:19,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:19,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:19,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:19,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:19" (1/1) ... [2023-11-21 18:48:19,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:19,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:19,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:20,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:20,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:20,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:48:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:48:20,094 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:20,097 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:20,371 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:20,415 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:20,416 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:48:20,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:20 BoogieIcfgContainer [2023-11-21 18:48:20,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:20,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:20,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:20,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:20,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:20" (1/1) ... [2023-11-21 18:48:20,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-21 18:48:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-21 18:48:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:48:20,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,657 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 18:48:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-21 18:48:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-21 18:48:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:48:20,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,785 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 18:48:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-21 18:48:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-21 18:48:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:48:20,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,905 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 18:48:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-21 18:48:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-21 18:48:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:48:20,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:20,959 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 18:48:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-21 18:48:20,979 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-21 18:48:20,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:48:20,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:21,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:21,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:21,088 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 18:48:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-21 18:48:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-21 18:48:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:48:21,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:21,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:21,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:21,430 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 18:48:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-11-21 18:48:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-21 18:48:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:48:21,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:21,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:21,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:21,616 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 18:48:22,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-21 18:48:22,049 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-21 18:48:22,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:48:22,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:22,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:22,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:22,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:22,138 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 18:48:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:22,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-21 18:48:22,730 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-21 18:48:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:48:22,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:22,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:22,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:22,776 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 18:48:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 82 states and 94 transitions. [2023-11-21 18:48:22,798 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2023-11-21 18:48:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:48:22,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:22,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:22,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:22,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:22,909 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 18:48:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-21 18:48:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-21 18:48:23,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:48:23,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:23,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:23,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:23,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:23,393 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 18:48:23,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:23,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-21 18:48:23,719 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:48:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:48:23,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:23,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:23,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:23,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:23,924 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 18:48:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2023-11-21 18:48:24,357 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2023-11-21 18:48:24,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:48:24,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:24,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:24,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:24,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:24,456 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 18:48:25,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2023-11-21 18:48:25,303 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2023-11-21 18:48:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:25,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,427 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 18:48:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 115 states and 141 transitions. [2023-11-21 18:48:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2023-11-21 18:48:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:48:25,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:25,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:25,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:25,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:25,769 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 18:48:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2023-11-21 18:48:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2023-11-21 18:48:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:27,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:27,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:27,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:27,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:27,101 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 18:48:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 134 states and 170 transitions. [2023-11-21 18:48:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2023-11-21 18:48:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:48:27,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:27,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:27,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:27,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:27,671 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 18:48:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 140 states and 183 transitions. [2023-11-21 18:48:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-21 18:48:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:28,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:28,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:28,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:28,569 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 18:48:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:29,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 147 states and 198 transitions. [2023-11-21 18:48:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2023-11-21 18:48:29,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:48:29,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:29,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:29,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:29,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:29,505 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 18:48:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 153 states and 210 transitions. [2023-11-21 18:48:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2023-11-21 18:48:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:30,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:30,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:30,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:30,386 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 18:48:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 152 states and 209 transitions. [2023-11-21 18:48:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2023-11-21 18:48:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:48:30,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:30,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:30,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:30,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:30,737 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 18:48:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 159 states and 221 transitions. [2023-11-21 18:48:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2023-11-21 18:48:31,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:48:31,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:31,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:31,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:31,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:31,748 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 18:48:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 165 states and 233 transitions. [2023-11-21 18:48:32,718 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 233 transitions. [2023-11-21 18:48:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:48:32,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:32,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:32,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:48:32,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:32,945 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 18:48:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:33,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 248 transitions. [2023-11-21 18:48:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 248 transitions. [2023-11-21 18:48:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:48:33,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:33,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:33,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:33,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:34,085 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 18:48:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 173 states and 247 transitions. [2023-11-21 18:48:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-21 18:48:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:48:34,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:34,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:34,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:34,941 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 18:48:36,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 181 states and 258 transitions. [2023-11-21 18:48:36,504 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 258 transitions. [2023-11-21 18:48:36,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:48:36,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:36,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:36,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:36,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:38,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 202 states and 302 transitions. [2023-11-21 18:48:38,231 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2023-11-21 18:48:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:48:38,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:38,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:38,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:38,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 212 states and 334 transitions. [2023-11-21 18:48:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 334 transitions. [2023-11-21 18:48:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:40,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:40,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:40,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:40,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 71 states and 78 transitions. [2023-11-21 18:48:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-11-21 18:48:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:48:40,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:40,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:40,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 67 states and 70 transitions. [2023-11-21 18:48:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2023-11-21 18:48:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:48:42,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:42,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:42,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 47 states and 50 transitions. [2023-11-21 18:48:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-21 18:48:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:48:43,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:43,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:43,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:43,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:44,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 42 states and 45 transitions. [2023-11-21 18:48:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:48:44,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:48:44,272 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2023-11-21 18:48:44,286 INFO L751 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2023-11-21 18:48:45,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:48:45,042 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:48:45,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:48:45 ImpRootNode [2023-11-21 18:48:45,043 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:48:45,043 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:48:45,044 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:48:45,044 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:48:45,044 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:20" (3/4) ... [2023-11-21 18:48:45,046 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:48:45,050 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 18:48:45,054 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-21 18:48:45,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 18:48:45,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:48:45,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:48:45,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:48:45,154 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:48:45,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:48:45,155 INFO L158 Benchmark]: Toolchain (without parser) took 25569.06ms. Allocated memory was 144.7MB in the beginning and 257.9MB in the end (delta: 113.2MB). Free memory was 97.4MB in the beginning and 72.6MB in the end (delta: 24.9MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,155 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:45,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.84ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 87.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.16ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,157 INFO L158 Benchmark]: Boogie Preprocessor took 25.98ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,157 INFO L158 Benchmark]: RCFGBuilder took 470.91ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 70.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,158 INFO L158 Benchmark]: CodeCheck took 24624.17ms. Allocated memory was 144.7MB in the beginning and 257.9MB in the end (delta: 113.2MB). Free memory was 70.5MB in the beginning and 77.7MB in the end (delta: -7.3MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,159 INFO L158 Benchmark]: Witness Printer took 110.89ms. Allocated memory is still 257.9MB. Free memory was 77.7MB in the beginning and 72.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:48:45,161 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5312 SdHoareTripleChecker+Valid, 20.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4428 mSDsluCounter, 1209 SdHoareTripleChecker+Invalid, 16.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 464 mSDsCounter, 1285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13009 IncrementalHoareTripleChecker+Invalid, 14294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1285 mSolverCounterUnsat, 745 mSDtfsCounter, 13009 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5134 GetRequests, 4530 SyntacticMatches, 220 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89098 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 509 ConstructedInterpolants, 0 QuantifiedInterpolants, 2087 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1572 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 31 InterpolantComputations, 26 PerfectInterpolantSequences, 7/23 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 144.7MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.84ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 87.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.16ms. Allocated memory is still 144.7MB. Free memory was 87.1MB in the beginning and 85.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.98ms. Allocated memory is still 144.7MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.91ms. Allocated memory is still 144.7MB. Free memory was 84.2MB in the beginning and 70.5MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 24624.17ms. Allocated memory was 144.7MB in the beginning and 257.9MB in the end (delta: 113.2MB). Free memory was 70.5MB in the beginning and 77.7MB in the end (delta: -7.3MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. * Witness Printer took 110.89ms. Allocated memory is still 257.9MB. Free memory was 77.7MB in the beginning and 72.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:48:45,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23c79997-362d-4b54-8e8d-dde100ef2bb0/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 Result: TRUE