./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/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_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/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_c2cf5cfc-b7a5-4714-bee9-655598585e9d/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 05d860f4c0b8d355d8344160864c48286246164c4c6e8e3a08816fe000adfcec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:44,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:44,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:19:44,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:44,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:44,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:44,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:44,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:44,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:44,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:44,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:44,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:44,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:44,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:44,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:44,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:44,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:44,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:44,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:44,616 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:19:44,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:44,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:44,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:44,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:44,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:44,620 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:44,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:44,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:44,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:44,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:44,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:44,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:44,626 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:44,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:44,627 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:44,627 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_c2cf5cfc-b7a5-4714-bee9-655598585e9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05d860f4c0b8d355d8344160864c48286246164c4c6e8e3a08816fe000adfcec [2023-11-19 03:19:45,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:45,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:45,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:45,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:45,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:45,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2023-11-19 03:19:48,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:48,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:48,585 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound1.c [2023-11-19 03:19:48,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/data/a550f27e4/d3c776a6c3aa42bd948fb7de8b618b23/FLAG1884e8a3a [2023-11-19 03:19:48,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/data/a550f27e4/d3c776a6c3aa42bd948fb7de8b618b23 [2023-11-19 03:19:48,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:48,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:48,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:48,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:48,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:48,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5afe63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48, skipping insertion in model container [2023-11-19 03:19:48,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:48,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:48,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:48,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:48,846 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:48,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48 WrapperNode [2023-11-19 03:19:48,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:48,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:48,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:48,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:48,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,864 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,886 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-19 03:19:48,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:48,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:48,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:48,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:48,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:48,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:48,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:48,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:48,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:48" (1/1) ... [2023-11-19 03:19:48,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:48,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:48,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:48,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:48,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:48,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:48,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:49,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:49,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:49,355 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:49,483 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:49,484 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:19:49,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:49 BoogieIcfgContainer [2023-11-19 03:19:49,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:49,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:49,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:49,502 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:49,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:49" (1/1) ... [2023-11-19 03:19:49,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-19 03:19:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-19 03:19:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:19:49,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:49,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-19 03:19:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-19 03:19:49,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:49,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:49,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-19 03:19:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-19 03:19:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:19:49,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-19 03:19:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-19 03:19:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:19:50,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-19 03:19:50,482 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-19 03:19:50,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:19:50,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-19 03:19:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-19 03:19:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:19:50,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:50,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:19:50,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-19 03:19:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-19 03:19:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:19:51,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-19 03:19:51,379 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 03:19:51,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:19:51,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-19 03:19:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-19 03:19:51,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:51,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-19 03:19:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-19 03:19:51,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:51,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:51,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-19 03:19:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-19 03:19:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:52,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:52,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:52,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-19 03:19:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-19 03:19:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:52,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:52,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:52,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-19 03:19:53,129 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-19 03:19:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:53,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-19 03:19:53,603 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-19 03:19:53,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:19:53,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-19 03:19:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-19 03:19:54,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:54,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:54,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-19 03:19:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-19 03:19:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:19:55,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-19 03:19:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-19 03:19:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:55,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:55,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-19 03:19:55,944 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-19 03:19:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:55,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:55,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:56,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-19 03:19:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-19 03:19:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:56,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:56,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-19 03:19:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-19 03:19:57,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:57,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:19:57,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-19 03:19:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-19 03:19:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:58,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:58,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:58,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:58,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:19:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-19 03:19:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-19 03:19:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:19:59,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:59,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:59,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:19:59,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-19 03:20:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-19 03:20:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:20:00,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:00,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:00,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:20:00,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-19 03:20:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-19 03:20:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:20:01,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:20:01,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-19 03:20:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-19 03:20:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:20:01,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:01,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:01,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:20:01,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-19 03:20:02,030 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-19 03:20:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:20:02,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 238 transitions. [2023-11-19 03:20:02,610 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-19 03:20:02,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:20:02,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 175 states and 242 transitions. [2023-11-19 03:20:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-19 03:20:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:20:03,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:20:03,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:20:04,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:04,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-19 03:20:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-19 03:20:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:20:04,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:04,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:20:04,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 264 transitions. [2023-11-19 03:20:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-19 03:20:05,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:20:05,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:05,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:05,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:20:05,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-11-19 03:20:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-19 03:20:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:20:07,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:07,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:20:07,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:20:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:07,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 295 transitions. [2023-11-19 03:20:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2023-11-19 03:20:07,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:20:07,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:07,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:20:07,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 213 states and 304 transitions. [2023-11-19 03:20:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions. [2023-11-19 03:20:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:20:08,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:08,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:08,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:20:08,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:20:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:09,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 311 transitions. [2023-11-19 03:20:09,274 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2023-11-19 03:20:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:20:09,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:09,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:09,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:20:09,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 330 transitions. [2023-11-19 03:20:10,503 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2023-11-19 03:20:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:20:10,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:10,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:10,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:20:10,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 58 states and 60 transitions. [2023-11-19 03:20:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2023-11-19 03:20:12,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:20:12,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:20:13,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:20:13,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 51 states and 53 transitions. [2023-11-19 03:20:13,489 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2023-11-19 03:20:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:20:13,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:13,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:13,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:20:13,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:20:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:13,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 42 states and 44 transitions. [2023-11-19 03:20:13,995 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2023-11-19 03:20:13,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:20:13,996 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2023-11-19 03:20:14,006 INFO L751 CodeCheckObserver]: All specifications hold 22 specifications checked. All of them hold [2023-11-19 03:20:14,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:20:14,732 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:20:14,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:20:14 ImpRootNode [2023-11-19 03:20:14,733 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:20:14,734 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:20:14,734 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:20:14,734 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:20:14,735 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:49" (3/4) ... [2023-11-19 03:20:14,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:20:14,741 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:20:14,750 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 03:20:14,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:20:14,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:20:14,751 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:20:14,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:20:14,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:20:14,866 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:20:14,866 INFO L158 Benchmark]: Toolchain (without parser) took 26251.29ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 89.3MB in the beginning and 146.0MB in the end (delta: -56.7MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,867 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:14,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.81ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 78.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.85ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:14,869 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 134.2MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,869 INFO L158 Benchmark]: RCFGBuilder took 576.71ms. Allocated memory is still 134.2MB. Free memory was 76.1MB in the beginning and 102.5MB in the end (delta: -26.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,870 INFO L158 Benchmark]: CodeCheck took 25242.32ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 102.5MB in the beginning and 151.2MB in the end (delta: -48.7MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,870 INFO L158 Benchmark]: Witness Printer took 131.84ms. Allocated memory is still 285.2MB. Free memory was 151.2MB in the beginning and 146.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:20:14,873 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, 53 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7371 SdHoareTripleChecker+Valid, 29.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6490 mSDsluCounter, 1770 SdHoareTripleChecker+Invalid, 24.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 824 mSDsCounter, 1902 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17965 IncrementalHoareTripleChecker+Invalid, 19867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1902 mSolverCounterUnsat, 946 mSDtfsCounter, 17965 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7404 GetRequests, 6709 SyntacticMatches, 329 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82505 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 3110 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2134 ConjunctsInSsa, 106 ConjunctsInUnsatCore, 37 InterpolantComputations, 31 PerfectInterpolantSequences, 121/167 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.81ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 78.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.85ms. Allocated memory is still 134.2MB. Free memory was 78.8MB in the beginning and 77.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 134.2MB. Free memory was 77.3MB in the beginning and 76.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 576.71ms. Allocated memory is still 134.2MB. Free memory was 76.1MB in the beginning and 102.5MB in the end (delta: -26.4MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 25242.32ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 102.5MB in the beginning and 151.2MB in the end (delta: -48.7MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Witness Printer took 131.84ms. Allocated memory is still 285.2MB. Free memory was 151.2MB in the beginning and 146.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:20:14,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2cf5cfc-b7a5-4714-bee9-655598585e9d/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