./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/reducercommutativity/max05-1.i --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_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/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_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/max05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/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_7481b45e-5aa9-4b3f-aee6-5693e83c1764/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 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:51:00,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:51:00,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:51:00,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:51:00,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:51:00,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:51:00,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:51:00,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:51:00,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:51:00,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:51:00,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:51:00,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:51:00,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:51:00,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:51:00,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:51:00,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:51:00,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:51:00,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:51:00,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:51:00,455 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:51:00,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:51:00,456 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:51:00,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:51:00,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:51:00,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:51:00,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:51:00,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:51:00,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:51:00,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:00,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:51:00,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:51:00,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:51:00,462 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:51:00,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:51:00,462 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:51:00,463 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_7481b45e-5aa9-4b3f-aee6-5693e83c1764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e48915cf0eaefe43320bbe59bf88f5c68b2f305d293e808fa6ece9112b5c238 [2023-11-21 18:51:00,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:51:00,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:51:00,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:51:00,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:51:00,822 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:51:00,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/reducercommutativity/max05-1.i [2023-11-21 18:51:04,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:51:04,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:51:04,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/sv-benchmarks/c/reducercommutativity/max05-1.i [2023-11-21 18:51:04,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/data/72ebfff5b/ee53d00c05694d3683d88b80a1a3e5d0/FLAGb52cb0d81 [2023-11-21 18:51:04,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/data/72ebfff5b/ee53d00c05694d3683d88b80a1a3e5d0 [2023-11-21 18:51:04,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:51:04,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:51:04,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:04,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:51:04,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:51:04,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c44045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04, skipping insertion in model container [2023-11-21 18:51:04,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:51:04,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:04,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:51:04,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:51:04,468 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:51:04,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04 WrapperNode [2023-11-21 18:51:04,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:51:04,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:04,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:51:04,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:51:04,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,511 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-21 18:51:04,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:51:04,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:51:04,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:51:04,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:51:04,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,539 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:51:04,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:51:04,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:51:04,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:51:04,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:51:04" (1/1) ... [2023-11-21 18:51:04,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:51:04,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:51:04,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:51:04,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:51:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:51:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure max [2023-11-21 18:51:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2023-11-21 18:51:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:51:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:51:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:51:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:51:04,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:51:04,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:51:04,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:51:04,685 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:51:04,688 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:51:04,914 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:51:05,019 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:51:05,019 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:51:05,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:05 BoogieIcfgContainer [2023-11-21 18:51:05,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:51:05,022 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:51:05,022 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:51:05,033 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:51:05,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:05" (1/1) ... [2023-11-21 18:51:05,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:51:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2023-11-21 18:51:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-21 18:51:05,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:51:05,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,477 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 18:51:05,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2023-11-21 18:51:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2023-11-21 18:51:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:51:05,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,633 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 18:51:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2023-11-21 18:51:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-21 18:51:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:51:05,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-21 18:51:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-21 18:51:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:51:05,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:05,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:51:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-21 18:51:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:51:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:06,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:06,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2023-11-21 18:51:06,327 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2023-11-21 18:51:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:51:06,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:51:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2023-11-21 18:51:06,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-21 18:51:06,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:51:06,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:51:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-21 18:51:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-21 18:51:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:51:06,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:51:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:06,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2023-11-21 18:51:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2023-11-21 18:51:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:51:06,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:06,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2023-11-21 18:51:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-21 18:51:07,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:51:07,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,243 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2023-11-21 18:51:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-21 18:51:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:51:07,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:07,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:51:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2023-11-21 18:51:08,010 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-21 18:51:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:51:08,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:51:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-11-21 18:51:08,381 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-21 18:51:08,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:51:08,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:51:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2023-11-21 18:51:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-21 18:51:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:51:08,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-21 18:51:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2023-11-21 18:51:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2023-11-21 18:51:08,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:51:08,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:08,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 18:51:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2023-11-21 18:51:09,257 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-21 18:51:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:51:09,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:51:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2023-11-21 18:51:09,432 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-21 18:51:09,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:51:09,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:51:09,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2023-11-21 18:51:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2023-11-21 18:51:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:51:09,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,631 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:51:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2023-11-21 18:51:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2023-11-21 18:51:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:51:09,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,786 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:51:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-21 18:51:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-21 18:51:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:51:09,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:09,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:09,950 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-21 18:51:10,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:51:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:51:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:51:10,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-21 18:51:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 48 states and 53 transitions. [2023-11-21 18:51:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2023-11-21 18:51:10,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:51:10,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-21 18:51:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 47 states and 52 transitions. [2023-11-21 18:51:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2023-11-21 18:51:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:51:10,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:10,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:11,039 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-21 18:51:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2023-11-21 18:51:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2023-11-21 18:51:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:51:11,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:11,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-11-21 18:51:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2023-11-21 18:51:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2023-11-21 18:51:11,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:51:11,609 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2023-11-21 18:51:11,618 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:51:11,783 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:51:11,789 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2023-11-21 18:51:11,790 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:51:11,790 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-21 18:51:11,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:51:11 ImpRootNode [2023-11-21 18:51:11,791 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:51:11,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:51:11,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:51:11,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:51:11,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:51:05" (3/4) ... [2023-11-21 18:51:11,794 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:51:11,797 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure max [2023-11-21 18:51:11,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 18:51:11,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 18:51:11,803 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:51:11,804 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:51:11,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:51:11,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:51:11,913 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:51:11,914 INFO L158 Benchmark]: Toolchain (without parser) took 7687.38ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 114.9MB in the beginning and 75.4MB in the end (delta: 39.5MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,915 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:11,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.55ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 103.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.05ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 102.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,916 INFO L158 Benchmark]: Boogie Preprocessor took 28.47ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:51:11,917 INFO L158 Benchmark]: RCFGBuilder took 478.84ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 84.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,917 INFO L158 Benchmark]: CodeCheck took 6769.04ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 80.6MB in the end (delta: 3.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,918 INFO L158 Benchmark]: Witness Printer took 121.85ms. Allocated memory is still 180.4MB. Free memory was 80.6MB in the beginning and 75.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:51:11,920 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, 29 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 969 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 240 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2810 IncrementalHoareTripleChecker+Invalid, 4025 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1215 mSolverCounterUnsat, 240 mSDtfsCounter, 2810 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3544 GetRequests, 3405 SyntacticMatches, 31 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5101 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 639 NumberOfCodeBlocks, 639 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 845 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 14 PerfectInterpolantSequences, 765/829 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((1 <= i) || (i == 0)) - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((i == 0) || (1 <= i)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 <= (i + 2147483648)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.55ms. Allocated memory is still 148.9MB. Free memory was 114.9MB in the beginning and 103.9MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.05ms. Allocated memory is still 148.9MB. Free memory was 103.9MB in the beginning and 102.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.47ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.84ms. Allocated memory is still 148.9MB. Free memory was 101.2MB in the beginning and 84.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6769.04ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 84.4MB in the beginning and 80.6MB in the end (delta: 3.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Witness Printer took 121.85ms. Allocated memory is still 180.4MB. Free memory was 80.6MB in the beginning and 75.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:51:11,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7481b45e-5aa9-4b3f-aee6-5693e83c1764/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE