./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:11:05,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:11:05,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:11:05,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:11:05,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:11:05,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:11:05,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:11:05,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:11:05,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:11:05,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:11:05,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:11:05,842 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:11:05,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:11:05,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:11:05,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:11:05,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:11:05,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:11:05,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:11:05,850 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:11:05,850 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:11:05,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:11:05,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:11:05,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:11:05,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:11:05,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:11:05,854 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:11:05,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:11:05,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:05,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:11:05,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:11:05,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:11:05,857 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:11:05,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:11:05,858 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_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e0d3ed79ba62190a0b501c090bc81fd178363cb7e6ce8cbe0996ce655e2ac6 [2024-11-08 23:11:06,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:11:06,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:11:06,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:11:06,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:11:06,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:11:06,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c Unable to find full path for "g++" [2024-11-08 23:11:08,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:11:08,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:11:08,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c [2024-11-08 23:11:08,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/data/8a9d9d899/7b898a1060254c94ab5969c9cffa1ac3/FLAG76272d1ab [2024-11-08 23:11:08,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/data/8a9d9d899/7b898a1060254c94ab5969c9cffa1ac3 [2024-11-08 23:11:08,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:11:08,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:11:08,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:08,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:11:08,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:11:08,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:08" (1/1) ... [2024-11-08 23:11:08,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119845ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:08, skipping insertion in model container [2024-11-08 23:11:08,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:11:08" (1/1) ... [2024-11-08 23:11:09,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:11:09,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2024-11-08 23:11:09,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:09,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:11:09,469 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound1.c[525,538] [2024-11-08 23:11:09,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:11:09,512 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:11:09,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09 WrapperNode [2024-11-08 23:11:09,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:11:09,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:09,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:11:09,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:11:09,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,561 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-08 23:11:09,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:11:09,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:11:09,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:11:09,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:11:09,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:11:09,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:11:09,599 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:11:09,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:11:09,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:11:09" (1/1) ... [2024-11-08 23:11:09,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:11:09,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:11:09,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:11:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40f40b70-750b-4319-ac16-0468101abd58/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:11:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:11:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:11:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:11:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:11:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:11:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:11:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:11:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:11:09,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:11:09,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:11:10,076 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:11:10,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:11:10,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:11:10,169 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:11:10,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:10 BoogieIcfgContainer [2024-11-08 23:11:10,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:11:10,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:11:10,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:11:10,183 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:11:10,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:11:10" (1/1) ... [2024-11-08 23:11:10,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:11:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-08 23:11:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-08 23:11:10,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:11:10,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:10,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:10,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-08 23:11:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 23:11:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:11:10,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:21,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:11:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-08 23:11:21,840 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 23:11:21,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:11:21,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:21,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:23,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:23,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-08 23:11:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-08 23:11:23,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:11:23,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:23,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:23,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:11:23,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2024-11-08 23:11:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2024-11-08 23:11:24,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:11:24,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:24,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:11:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2024-11-08 23:11:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2024-11-08 23:11:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:11:25,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:25,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:25,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:11:25,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 23:11:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 41 states and 70 transitions. [2024-11-08 23:11:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-08 23:11:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:11:28,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:28,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:28,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:11:28,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:28,809 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:11:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 79 transitions. [2024-11-08 23:11:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-11-08 23:11:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:11:29,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:29,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:11:29,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:11:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 84 transitions. [2024-11-08 23:11:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2024-11-08 23:11:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:11:31,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:31,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:11:31,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:11:44,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:11:46,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:11:46,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 50 states and 90 transitions. [2024-11-08 23:11:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2024-11-08 23:11:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:11:46,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:46,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:46,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 23:11:46,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 23:11:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:11:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 98 transitions. [2024-11-08 23:11:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2024-11-08 23:11:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 23:11:50,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:11:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:11:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:11:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:11:50,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:11:50,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:11:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:12:00,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:12:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 54 states and 102 transitions. [2024-11-08 23:12:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2024-11-08 23:12:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 23:12:00,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:12:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:00,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:12:00,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-08 23:12:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 103 transitions. [2024-11-08 23:12:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 103 transitions. [2024-11-08 23:12:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:12:00,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:12:09,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:12:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 107 transitions. [2024-11-08 23:12:09,528 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 107 transitions. [2024-11-08 23:12:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 23:12:09,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:09,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:12:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:09,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:12:09,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:12:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 23:12:23,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:12:23,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:23,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 60 states and 117 transitions. [2024-11-08 23:12:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2024-11-08 23:12:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:12:23,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:23,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:12:23,677 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 23:12:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:12:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 63 states and 123 transitions. [2024-11-08 23:12:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2024-11-08 23:12:25,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 23:12:25,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:12:25,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:12:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat