./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL --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 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:14:57,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:14:57,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:14:57,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:14:57,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:14:57,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:14:57,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:14:57,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:14:57,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:14:57,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:14:57,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:14:57,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:14:57,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:14:57,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:14:57,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:14:57,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:14:57,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:14:57,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:14:57,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:14:57,225 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:14:57,226 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:14:57,227 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:14:57,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:14:57,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:14:57,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:14:57,230 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:14:57,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:14:57,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:14:57,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:57,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:14:57,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:14:57,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:14:57,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:14:57,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:14:57,235 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:14:57,236 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_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2023-11-19 03:14:57,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:14:57,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:14:57,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:14:57,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:14:57,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:14:57,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2023-11-19 03:15:00,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:01,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:01,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2023-11-19 03:15:01,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/data/eba0bf1ae/96886b5cf12b4fb0b59db1c07d31cf69/FLAG9745b6027 [2023-11-19 03:15:01,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/data/eba0bf1ae/96886b5cf12b4fb0b59db1c07d31cf69 [2023-11-19 03:15:01,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:01,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:01,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:01,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:01,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:01,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401fc061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01, skipping insertion in model container [2023-11-19 03:15:01,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:01,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:01,302 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:01,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:01,336 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:01,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01 WrapperNode [2023-11-19 03:15:01,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:01,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:01,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:01,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:01,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,374 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-19 03:15:01,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:01,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:01,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:01,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:01,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,396 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:01,397 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:01,397 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:01,397 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:01,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:01,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:01,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-19 03:15:01,487 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-19 03:15:01,565 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:01,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:01,754 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:01,792 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:01,793 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:15:01,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:01 BoogieIcfgContainer [2023-11-19 03:15:01,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:01,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:01,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:01,811 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:01,811 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:01" (1/1) ... [2023-11-19 03:15:01,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-19 03:15:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-19 03:15:01,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:15:01,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:01,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-11-19 03:15:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 03:15:02,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:15:02,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:02,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2023-11-19 03:15:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:15:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:02,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:02,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2023-11-19 03:15:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-19 03:15:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:15:02,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2023-11-19 03:15:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 03:15:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:15:03,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:03,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:03,180 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2023-11-19 03:15:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-19 03:15:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:15:03,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:03,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:03,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:03,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:03,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2023-11-19 03:15:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-19 03:15:03,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:15:03,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:03,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2023-11-19 03:15:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-19 03:15:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:15:04,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:04,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2023-11-19 03:15:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-19 03:15:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:15:04,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:04,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:04,944 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2023-11-19 03:15:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-19 03:15:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:15:05,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:05,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:05,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:05,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2023-11-19 03:15:05,700 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-19 03:15:05,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:15:05,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:05,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:06,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:06,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2023-11-19 03:15:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-19 03:15:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:15:06,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:06,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2023-11-19 03:15:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 03:15:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:15:06,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:06,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2023-11-19 03:15:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-11-19 03:15:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:15:07,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2023-11-19 03:15:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-19 03:15:07,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:15:07,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:08,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2023-11-19 03:15:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-19 03:15:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:15:08,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,107 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-19 03:15:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 85 transitions. [2023-11-19 03:15:08,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-19 03:15:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:15:08,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:08,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:08,476 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2023-11-19 03:15:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2023-11-19 03:15:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:15:09,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 111 transitions. [2023-11-19 03:15:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2023-11-19 03:15:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:15:09,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 122 transitions. [2023-11-19 03:15:10,746 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2023-11-19 03:15:10,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 03:15:10,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:10,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 132 transitions. [2023-11-19 03:15:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2023-11-19 03:15:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 03:15:11,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:11,894 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 92 states and 141 transitions. [2023-11-19 03:15:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2023-11-19 03:15:12,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 03:15:12,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:12,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 149 transitions. [2023-11-19 03:15:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2023-11-19 03:15:13,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:15:13,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:13,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 102 states and 156 transitions. [2023-11-19 03:15:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-11-19 03:15:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 03:15:14,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:14,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:15,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 107 states and 162 transitions. [2023-11-19 03:15:15,314 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-19 03:15:15,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 03:15:15,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:15,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:15,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2023-11-19 03:15:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 108 states and 163 transitions. [2023-11-19 03:15:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2023-11-19 03:15:16,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:15:16,417 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-19 03:15:16,426 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:15:16,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:16 ImpRootNode [2023-11-19 03:15:16,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:16,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:16,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:16,720 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:16,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:01" (3/4) ... [2023-11-19 03:15:16,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:15:16,727 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-19 03:15:16,731 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:15:16,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:15:16,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:15:16,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:15:16,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:15:16,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:15:16,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:16,825 INFO L158 Benchmark]: Toolchain (without parser) took 15750.05ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 125.6MB in the beginning and 171.9MB in the end (delta: -46.2MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,826 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:16,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.35ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.62ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 114.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:16,827 INFO L158 Benchmark]: Boogie Preprocessor took 20.77ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,828 INFO L158 Benchmark]: RCFGBuilder took 401.15ms. Allocated memory is still 155.2MB. Free memory was 113.1MB in the beginning and 102.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,828 INFO L158 Benchmark]: CodeCheck took 14920.40ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 102.7MB in the beginning and 177.0MB in the end (delta: -74.3MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,829 INFO L158 Benchmark]: Witness Printer took 104.61ms. Allocated memory is still 270.5MB. Free memory was 177.0MB in the beginning and 171.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:16,831 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: 14.6s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1761 SdHoareTripleChecker+Valid, 13.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1629 mSDsluCounter, 1402 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 204 mSDsCounter, 3078 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8649 IncrementalHoareTripleChecker+Invalid, 11727 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3078 mSolverCounterUnsat, 1198 mSDtfsCounter, 8649 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12521 GetRequests, 11885 SyntacticMatches, 456 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12861 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1283 NumberOfCodeBlocks, 1283 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1258 ConstructedInterpolants, 0 QuantifiedInterpolants, 2488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 2948/4763 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 0.32ms. Allocated memory is still 100.7MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.35ms. Allocated memory is still 155.2MB. Free memory was 125.6MB in the beginning and 115.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.62ms. Allocated memory is still 155.2MB. Free memory was 115.7MB in the beginning and 114.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.77ms. Allocated memory is still 155.2MB. Free memory was 114.2MB in the beginning and 113.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.15ms. Allocated memory is still 155.2MB. Free memory was 113.1MB in the beginning and 102.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 14920.40ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 102.7MB in the beginning and 177.0MB in the end (delta: -74.3MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Witness Printer took 104.61ms. Allocated memory is still 270.5MB. Free memory was 177.0MB in the beginning and 171.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:15:16,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c05d420-6ba7-4c93-9961-1916c91a5033/bin/ukojak-verify-G8NBE6pJGL/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