./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loops/sum04-2.i --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_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/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_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/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_3bc68244-5bfc-4d26-9c7f-977f45327223/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 aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:31:21,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:31:21,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:31:21,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:31:21,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:31:21,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:31:21,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:31:21,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:31:21,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:31:21,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:31:21,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:31:21,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:31:21,679 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:31:21,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:31:21,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:31:21,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:31:21,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:31:21,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:31:21,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:31:21,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:31:21,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:31:21,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:31:21,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:31:21,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:31:21,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:31:21,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:31:21,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:31:21,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:31:21,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:21,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:31:21,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:31:21,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:31:21,692 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:31:21,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:31:21,693 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:31:21,693 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_3bc68244-5bfc-4d26-9c7f-977f45327223/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2 [2023-11-19 03:31:22,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:31:22,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:31:22,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:31:22,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:31:22,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:31:22,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loops/sum04-2.i [2023-11-19 03:31:25,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:31:25,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:31:25,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/sv-benchmarks/c/loops/sum04-2.i [2023-11-19 03:31:25,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/data/41d194da4/bed307f6484343e9832cf838ee8a877e/FLAGd47e1d626 [2023-11-19 03:31:25,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/data/41d194da4/bed307f6484343e9832cf838ee8a877e [2023-11-19 03:31:25,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:31:25,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:31:25,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:25,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:31:25,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:31:25,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645bfd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25, skipping insertion in model container [2023-11-19 03:31:25,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:31:25,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:25,878 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:31:25,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:31:25,914 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:31:25,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25 WrapperNode [2023-11-19 03:31:25,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:31:25,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:25,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:31:25,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:31:25,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,946 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 33 [2023-11-19 03:31:25,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:31:25,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:31:25,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:31:25,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:31:25,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:31:25,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:31:25,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:31:25,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:31:25,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:31:25" (1/1) ... [2023-11-19 03:31:25,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:31:25,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:31:26,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:31:26,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:31:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:31:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:31:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:31:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:31:26,091 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:31:26,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:31:26,195 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:31:26,241 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:31:26,241 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:31:26,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:26 BoogieIcfgContainer [2023-11-19 03:31:26,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:31:26,247 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:31:26,247 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:31:26,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:31:26,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:26" (1/1) ... [2023-11-19 03:31:26,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:31:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-19 03:31:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-19 03:31:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:31:26,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:26,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:26,473 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 03:31:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-19 03:31:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-19 03:31:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:31:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:26,557 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 03:31:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:31:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:31:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:31:26,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:26,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:26,683 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 03:31:26,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:26,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:31:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:31:26,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:31:26,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:26,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:26,875 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 03:31:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:26,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-19 03:31:26,907 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-19 03:31:26,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:31:26,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:26,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:27,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:27,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-19 03:31:27,216 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-19 03:31:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:31:27,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:27,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:27,271 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 03:31:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-19 03:31:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-19 03:31:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:31:27,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:27,639 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 03:31:27,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-19 03:31:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 03:31:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:31:27,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:27,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:31:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2023-11-19 03:31:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2023-11-19 03:31:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:31:28,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:31:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-19 03:31:29,141 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-19 03:31:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:31:29,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:29,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2023-11-19 03:31:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2023-11-19 03:31:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:31:29,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 03:31:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 03:31:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:31:30,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-19 03:31:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-19 03:31:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:31:30,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2023-11-19 03:31:30,644 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2023-11-19 03:31:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:31:30,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:30,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:31:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2023-11-19 03:31:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2023-11-19 03:31:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:31:30,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:30,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:30,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:31:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2023-11-19 03:31:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2023-11-19 03:31:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:31:31,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:31:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2023-11-19 03:31:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2023-11-19 03:31:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:31:31,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 57 states and 92 transitions. [2023-11-19 03:31:31,799 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 92 transitions. [2023-11-19 03:31:31,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:31:31,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:31,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2023-11-19 03:31:32,557 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2023-11-19 03:31:32,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:31:32,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:31:32,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:32,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2023-11-19 03:31:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-11-19 03:31:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:31:32,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 67 states and 107 transitions. [2023-11-19 03:31:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2023-11-19 03:31:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:31:33,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:33,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:34,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2023-11-19 03:31:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-19 03:31:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:31:34,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:34,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-19 03:31:34,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:34,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2023-11-19 03:31:34,484 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-19 03:31:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:31:34,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:34,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:35,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 77 states and 122 transitions. [2023-11-19 03:31:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-11-19 03:31:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:31:35,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:35,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 46 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2023-11-19 03:31:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2023-11-19 03:31:36,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:31:36,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-19 03:31:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 126 transitions. [2023-11-19 03:31:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2023-11-19 03:31:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:31:36,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2023-11-19 03:31:37,114 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2023-11-19 03:31:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:31:37,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 70 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2023-11-19 03:31:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2023-11-19 03:31:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:31:38,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 03:31:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 92 states and 141 transitions. [2023-11-19 03:31:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 141 transitions. [2023-11-19 03:31:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:31:38,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:38,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 152 transitions. [2023-11-19 03:31:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 152 transitions. [2023-11-19 03:31:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:31:39,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:39,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 99 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2023-11-19 03:31:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2023-11-19 03:31:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:31:40,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:40,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:31:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 102 states and 156 transitions. [2023-11-19 03:31:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2023-11-19 03:31:40,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:31:40,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:40,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:40,820 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-11-19 03:31:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-11-19 03:31:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:31:41,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:31:41,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:31:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:31:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 133 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:31:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:31:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2023-11-19 03:31:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2023-11-19 03:31:42,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:31:42,607 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2023-11-19 03:31:42,619 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:31:43,071 INFO L560 CodeCheckObserver]: Invariant with dag size 56 [2023-11-19 03:31:43,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:31:43 ImpRootNode [2023-11-19 03:31:43,088 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:31:43,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:31:43,089 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:31:43,089 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:31:43,090 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:31:26" (3/4) ... [2023-11-19 03:31:43,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:31:43,101 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-11-19 03:31:43,101 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-19 03:31:43,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:31:43,102 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:31:43,221 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:31:43,222 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:31:43,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:31:43,223 INFO L158 Benchmark]: Toolchain (without parser) took 17570.39ms. Allocated memory was 127.9MB in the beginning and 270.5MB in the end (delta: 142.6MB). Free memory was 71.5MB in the beginning and 125.4MB in the end (delta: -54.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,224 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.2MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:43,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.03ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 125.7MB in the end (delta: -54.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.97ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 124.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,226 INFO L158 Benchmark]: Boogie Preprocessor took 19.48ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:31:43,226 INFO L158 Benchmark]: RCFGBuilder took 278.01ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 111.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,227 INFO L158 Benchmark]: CodeCheck took 16841.80ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 111.6MB in the beginning and 129.6MB in the end (delta: -18.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,228 INFO L158 Benchmark]: Witness Printer took 133.20ms. Allocated memory is still 270.5MB. Free memory was 129.6MB in the beginning and 125.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:31:43,233 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 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2876 SdHoareTripleChecker+Valid, 15.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2720 mSDsluCounter, 850 SdHoareTripleChecker+Invalid, 13.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 2835 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10663 IncrementalHoareTripleChecker+Invalid, 13498 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2835 mSolverCounterUnsat, 66 mSDtfsCounter, 10663 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5818 GetRequests, 5215 SyntacticMatches, 313 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44292 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 715 NumberOfCodeBlocks, 715 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 682 ConstructedInterpolants, 0 QuantifiedInterpolants, 1704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 14 PerfectInterpolantSequences, 859/1579 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((((sn <= 14) && (12 < sn)) && (8 <= i)) || (((sn <= 4) && (3 <= i)) && (2 < sn))) || (((4 < sn) && (4 <= i)) && (sn <= 6))) || (((3 <= i) && (sn < 2)) && (0 <= (sn + 2147483648)))) || (((sn <= 2) && (2 <= sn)) && (2 <= i))) || (((5 <= i) && (sn <= 8)) && (6 < sn))) || (((10 < sn) && (7 <= i)) && (sn <= 12))) || ((i == 1) && (sn == 0))) || (((sn <= 16) && (14 < sn)) && (8 < i))) || (((8 < sn) && (6 <= i)) && (sn <= 10))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 127.9MB. Free memory was 100.3MB in the beginning and 100.2MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.03ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 71.3MB in the beginning and 125.7MB in the end (delta: -54.4MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.97ms. Allocated memory is still 155.2MB. Free memory was 125.7MB in the beginning and 124.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.48ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 123.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 278.01ms. Allocated memory is still 155.2MB. Free memory was 123.0MB in the beginning and 111.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 16841.80ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 111.6MB in the beginning and 129.6MB in the end (delta: -18.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Witness Printer took 133.20ms. Allocated memory is still 270.5MB. Free memory was 129.6MB in the beginning and 125.4MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:31:43,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bc68244-5bfc-4d26-9c7f-977f45327223/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