./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/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_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/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_27a36552-2ade-4326-bf92-d58f24cb4f0c/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 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:48,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:48,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:53:48,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:48,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:48,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:48,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:48,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:48,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:48,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:48,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:48,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:48,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:48,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:48,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:48,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:48,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:48,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:48,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:48,819 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:48,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:48,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:48,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:48,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:48,823 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:48,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:48,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:48,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:48,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:48,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:48,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:48,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:48,829 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:48,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:48,830 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:48,830 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_27a36552-2ade-4326-bf92-d58f24cb4f0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe [2023-11-19 02:53:49,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:49,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:49,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:49,194 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:49,195 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:49,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2023-11-19 02:53:52,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:52,482 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:52,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2023-11-19 02:53:52,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/data/c1aa3dd00/df91e04b263e4ddd9fb7a7885fba8051/FLAG20f73c1d0 [2023-11-19 02:53:52,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/data/c1aa3dd00/df91e04b263e4ddd9fb7a7885fba8051 [2023-11-19 02:53:52,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:52,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:52,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:52,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:52,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:52,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e98a0d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52, skipping insertion in model container [2023-11-19 02:53:52,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:52,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:52,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:52,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:52,750 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:52,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52 WrapperNode [2023-11-19 02:53:52,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:52,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:52,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:52,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:52,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,783 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2023-11-19 02:53:52,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:52,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:52,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:52,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:52,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:52,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:52,806 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:52,806 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:52,807 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:52" (1/1) ... [2023-11-19 02:53:52,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:52,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:52,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:52,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:52,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:52,887 INFO L130 BoogieDeclarations]: Found specification of procedure id [2023-11-19 02:53:52,888 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2023-11-19 02:53:52,962 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:52,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:53,065 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:53,097 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:53,097 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:53:53,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:53 BoogieIcfgContainer [2023-11-19 02:53:53,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:53,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:53,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:53,140 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:53,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:53" (1/1) ... [2023-11-19 02:53:53,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2023-11-19 02:53:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-19 02:53:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:53:53,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,422 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 02:53:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2023-11-19 02:53:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-19 02:53:53,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:53,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,666 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 02:53:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2023-11-19 02:53:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 02:53:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:53:53,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,970 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 02:53:54,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 34 transitions. [2023-11-19 02:53:54,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-19 02:53:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:53:54,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:54,310 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 02:53:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 27 transitions. [2023-11-19 02:53:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-19 02:53:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:53:54,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:54,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:54,472 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 02:53:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 33 transitions. [2023-11-19 02:53:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-11-19 02:53:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:54,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:54,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:54,883 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 02:53:55,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 39 transitions. [2023-11-19 02:53:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-19 02:53:55,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:53:55,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,314 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 02:53:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 45 transitions. [2023-11-19 02:53:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2023-11-19 02:53:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:53:55,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:55,716 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 02:53:55,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 51 transitions. [2023-11-19 02:53:55,951 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2023-11-19 02:53:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:53:55,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:55,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,177 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 02:53:56,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 57 transitions. [2023-11-19 02:53:56,432 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2023-11-19 02:53:56,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:53:56,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:56,686 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 02:53:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 63 transitions. [2023-11-19 02:53:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-19 02:53:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:53:56,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,186 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 02:53:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 69 transitions. [2023-11-19 02:53:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2023-11-19 02:53:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:53:57,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:57,775 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 02:53:58,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 75 transitions. [2023-11-19 02:53:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 02:53:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:53:58,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,353 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 02:53:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2023-11-19 02:53:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2023-11-19 02:53:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:53:58,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:58,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:58,844 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 02:53:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2023-11-19 02:53:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-19 02:53:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:53:59,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,093 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 02:53:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2023-11-19 02:53:59,120 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2023-11-19 02:53:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:53:59,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,210 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 02:53:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 85 transitions. [2023-11-19 02:53:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2023-11-19 02:53:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:53:59,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:59,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:59,568 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 02:54:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2023-11-19 02:54:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2023-11-19 02:54:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:54:00,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:00,375 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 02:54:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 77 states and 111 transitions. [2023-11-19 02:54:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 111 transitions. [2023-11-19 02:54:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:54:00,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:00,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,090 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 02:54:01,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 82 states and 122 transitions. [2023-11-19 02:54:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 122 transitions. [2023-11-19 02:54:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 02:54:01,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,860 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 02:54:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 132 transitions. [2023-11-19 02:54:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2023-11-19 02:54:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 02:54:02,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,636 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 02:54:03,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:03,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 92 states and 141 transitions. [2023-11-19 02:54:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2023-11-19 02:54:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 02:54:03,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:03,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:03,447 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 02:54:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 97 states and 149 transitions. [2023-11-19 02:54:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2023-11-19 02:54:04,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 02:54:04,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,315 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 02:54:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 102 states and 156 transitions. [2023-11-19 02:54:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-11-19 02:54:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 02:54:04,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:05,287 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 02:54:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:05,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 107 states and 162 transitions. [2023-11-19 02:54:05,872 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-11-19 02:54:05,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 02:54:05,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:05,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,344 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 02:54:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 108 states and 163 transitions. [2023-11-19 02:54:06,956 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2023-11-19 02:54:06,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:54:06,958 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-19 02:54:06,966 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:54:07,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:54:07 ImpRootNode [2023-11-19 02:54:07,221 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:54:07,222 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:54:07,222 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:54:07,222 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:54:07,223 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:53" (3/4) ... [2023-11-19 02:54:07,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:54:07,228 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2023-11-19 02:54:07,233 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 02:54:07,233 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 02:54:07,234 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:54:07,234 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:54:07,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:54:07,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:54:07,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:54:07,327 INFO L158 Benchmark]: Toolchain (without parser) took 14815.95ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 141.7MB in the beginning and 112.5MB in the end (delta: 29.2MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,328 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:07,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.49ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 136.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.93ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 135.6MB in the end (delta: 816.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:07,334 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,335 INFO L158 Benchmark]: RCFGBuilder took 296.41ms. Allocated memory is still 172.0MB. Free memory was 134.3MB in the beginning and 123.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,335 INFO L158 Benchmark]: CodeCheck took 14118.33ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 123.0MB in the beginning and 116.7MB in the end (delta: 6.3MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,336 INFO L158 Benchmark]: Witness Printer took 104.54ms. Allocated memory is still 249.6MB. Free memory was 116.7MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:54:07,338 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: 13.8s, 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, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1629 mSDsluCounter, 1402 SdHoareTripleChecker+Invalid, 9.8s 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, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12521 GetRequests, 11885 SyntacticMatches, 456 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12861 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.0s 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 0.30ms. Allocated memory is still 130.0MB. Free memory was 102.4MB in the beginning and 102.3MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.49ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 136.4MB in the end (delta: 5.1MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.93ms. Allocated memory is still 172.0MB. Free memory was 136.4MB in the beginning and 135.6MB in the end (delta: 816.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 172.0MB. Free memory was 135.6MB in the beginning and 134.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.41ms. Allocated memory is still 172.0MB. Free memory was 134.3MB in the beginning and 123.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 14118.33ms. Allocated memory was 172.0MB in the beginning and 249.6MB in the end (delta: 77.6MB). Free memory was 123.0MB in the beginning and 116.7MB in the end (delta: 6.3MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * Witness Printer took 104.54ms. Allocated memory is still 249.6MB. Free memory was 116.7MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:54:07,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27a36552-2ade-4326-bf92-d58f24cb4f0c/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