./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.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_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/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_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/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_5d34be9b-efcc-48e7-9172-4935ba6752d7/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 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:06,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:06,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:39:06,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:06,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:06,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:06,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:06,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:06,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:06,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:06,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:06,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:06,870 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:39:06,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:06,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:39:06,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:06,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:06,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:06,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:06,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:06,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:06,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:39:06,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:06,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:06,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:06,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:06,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:06,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:06,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:06,882 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:06,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:06,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:06,884 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:06,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:06,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:06,885 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_5d34be9b-efcc-48e7-9172-4935ba6752d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2023-11-21 18:39:07,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:07,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:07,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:07,263 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:07,264 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:07,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2023-11-21 18:39:10,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:10,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:10,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2023-11-21 18:39:10,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/data/e5830ac95/a3f02bb0af2149f7ad95d2cdc6cd14e3/FLAGcf4707499 [2023-11-21 18:39:10,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/data/e5830ac95/a3f02bb0af2149f7ad95d2cdc6cd14e3 [2023-11-21 18:39:10,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:10,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:10,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:10,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:10,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:10,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:10" (1/1) ... [2023-11-21 18:39:10,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247585f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:10, skipping insertion in model container [2023-11-21 18:39:10,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:10" (1/1) ... [2023-11-21 18:39:10,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:10,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:10,978 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:10,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:11,010 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:11,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11 WrapperNode [2023-11-21 18:39:11,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:11,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:11,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:11,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:11,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,047 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-21 18:39:11,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:11,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:11,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:11,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:11,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:11,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:11,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:11,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:11,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:11,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:11,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:11,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:11,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-21 18:39:11,158 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-21 18:39:11,231 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:11,234 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:11,374 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:11,412 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:11,413 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:39:11,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:11 BoogieIcfgContainer [2023-11-21 18:39:11,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:11,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:11,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:11,428 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:11,428 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:11" (1/1) ... [2023-11-21 18:39:11,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-21 18:39:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-21 18:39:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:39:11,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:11,891 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 18:39:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-11-21 18:39:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:39:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:39:12,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:12,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:12,119 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 18:39:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 24 transitions. [2023-11-21 18:39:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:39:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:12,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:12,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:12,273 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 18:39:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 30 transitions. [2023-11-21 18:39:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-21 18:39:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:39:12,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:12,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:12,694 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 18:39:12,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 34 transitions. [2023-11-21 18:39:12,984 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-21 18:39:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:39:12,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:13,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 40 transitions. [2023-11-21 18:39:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-21 18:39:13,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:39:13,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:13,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:13,492 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:13,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 33 transitions. [2023-11-21 18:39:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-21 18:39:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:39:13,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:13,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 39 transitions. [2023-11-21 18:39:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-21 18:39:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:39:13,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:14,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 45 transitions. [2023-11-21 18:39:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-21 18:39:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:39:14,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:14,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:14,545 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 51 transitions. [2023-11-21 18:39:14,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-21 18:39:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:39:14,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:14,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:15,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 57 transitions. [2023-11-21 18:39:15,316 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-21 18:39:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:39:15,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:15,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 63 transitions. [2023-11-21 18:39:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-21 18:39:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:39:15,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 60 states and 69 transitions. [2023-11-21 18:39:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-21 18:39:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:39:16,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:16,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:16,719 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:17,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 75 transitions. [2023-11-21 18:39:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-21 18:39:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:39:17,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:17,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 70 states and 81 transitions. [2023-11-21 18:39:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-21 18:39:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:39:17,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:17,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:18,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:18,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 87 transitions. [2023-11-21 18:39:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-21 18:39:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:39:18,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 93 transitions. [2023-11-21 18:39:19,064 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-21 18:39:19,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:39:19,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 85 states and 99 transitions. [2023-11-21 18:39:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2023-11-21 18:39:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:39:19,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:19,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:20,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 105 transitions. [2023-11-21 18:39:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-21 18:39:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-21 18:39:20,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:20,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:21,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 102 transitions. [2023-11-21 18:39:21,546 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2023-11-21 18:39:21,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-21 18:39:21,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:21,760 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 121 transitions. [2023-11-21 18:39:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2023-11-21 18:39:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-21 18:39:22,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:22,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:22,093 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:22,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 121 transitions. [2023-11-21 18:39:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2023-11-21 18:39:22,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-21 18:39:22,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:22,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:22,260 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-11-21 18:39:22,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 120 transitions. [2023-11-21 18:39:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2023-11-21 18:39:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-21 18:39:22,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:22,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:22,730 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 139 transitions. [2023-11-21 18:39:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-21 18:39:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-21 18:39:23,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:23,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 102 states and 156 transitions. [2023-11-21 18:39:24,344 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-11-21 18:39:24,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-21 18:39:24,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:24,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 107 states and 172 transitions. [2023-11-21 18:39:25,214 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 172 transitions. [2023-11-21 18:39:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-21 18:39:25,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:26,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 112 states and 187 transitions. [2023-11-21 18:39:26,146 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 187 transitions. [2023-11-21 18:39:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:39:26,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:26,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:27,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 117 states and 201 transitions. [2023-11-21 18:39:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2023-11-21 18:39:27,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-21 18:39:27,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:27,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 122 states and 214 transitions. [2023-11-21 18:39:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2023-11-21 18:39:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-21 18:39:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:28,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:29,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:29,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 226 transitions. [2023-11-21 18:39:29,320 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2023-11-21 18:39:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-21 18:39:29,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:30,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:30,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 132 states and 237 transitions. [2023-11-21 18:39:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 237 transitions. [2023-11-21 18:39:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-21 18:39:30,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:30,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 137 states and 247 transitions. [2023-11-21 18:39:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2023-11-21 18:39:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-21 18:39:31,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 142 states and 256 transitions. [2023-11-21 18:39:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 256 transitions. [2023-11-21 18:39:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:39:32,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:32,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 147 states and 264 transitions. [2023-11-21 18:39:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 264 transitions. [2023-11-21 18:39:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-21 18:39:34,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:35,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 152 states and 271 transitions. [2023-11-21 18:39:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 271 transitions. [2023-11-21 18:39:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-21 18:39:35,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:35,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:36,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 157 states and 277 transitions. [2023-11-21 18:39:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2023-11-21 18:39:36,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-21 18:39:36,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2023-11-21 18:39:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 158 states and 278 transitions. [2023-11-21 18:39:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2023-11-21 18:39:38,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:39:38,372 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2023-11-21 18:39:38,387 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-21 18:39:38,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:39:38 ImpRootNode [2023-11-21 18:39:38,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:39:38,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:39:38,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:39:38,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:39:38,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:11" (3/4) ... [2023-11-21 18:39:38,759 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:39:38,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-21 18:39:38,773 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-21 18:39:38,773 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-21 18:39:38,774 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:39:38,774 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:39:38,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:39:38,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:39:38,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:39:38,889 INFO L158 Benchmark]: Toolchain (without parser) took 28145.56ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 99.6MB in the beginning and 180.2MB in the end (delta: -80.6MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,893 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:39:38,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.68ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 89.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.67ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,894 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 87.0MB in the end (delta: 808.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,895 INFO L158 Benchmark]: RCFGBuilder took 343.65ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 76.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,895 INFO L158 Benchmark]: CodeCheck took 27339.92ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 76.6MB in the beginning and 184.4MB in the end (delta: -107.8MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,896 INFO L158 Benchmark]: Witness Printer took 128.80ms. Allocated memory is still 358.6MB. Free memory was 184.4MB in the beginning and 180.2MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:39:38,898 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 26.9s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3611 SdHoareTripleChecker+Valid, 29.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3327 mSDsluCounter, 2516 SdHoareTripleChecker+Invalid, 24.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 454 mSDsCounter, 7468 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20131 IncrementalHoareTripleChecker+Invalid, 27599 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7468 mSolverCounterUnsat, 2062 mSDtfsCounter, 20131 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29522 GetRequests, 28300 SyntacticMatches, 962 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28302 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 2669 NumberOfCodeBlocks, 2669 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2633 ConstructedInterpolants, 0 QuantifiedInterpolants, 5233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 9443/15416 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.68ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 89.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.67ms. Allocated memory is still 140.5MB. Free memory was 89.8MB in the beginning and 87.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 140.5MB. Free memory was 87.8MB in the beginning and 87.0MB in the end (delta: 808.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.65ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 76.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 27339.92ms. Allocated memory was 140.5MB in the beginning and 358.6MB in the end (delta: 218.1MB). Free memory was 76.6MB in the beginning and 184.4MB in the end (delta: -107.8MB). Peak memory consumption was 113.0MB. Max. memory is 16.1GB. * Witness Printer took 128.80ms. Allocated memory is still 358.6MB. Free memory was 184.4MB in the beginning and 180.2MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:39:38,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d34be9b-efcc-48e7-9172-4935ba6752d7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE