./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/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_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL --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 d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:26,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:27,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:28:27,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:27,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:27,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:27,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:28:27,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:28:27,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:27,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:27,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:27,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:28:27,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:27,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:27,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:27,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:27,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:28:27,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:27,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:28:27,105 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:27,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:28:27,106 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:27,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:27,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:27,108 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:27,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:27,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:27,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:27,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:27,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:28:27,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:27,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:27,112 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:28:27,112 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_7ddcc637-31ed-4844-962a-139a369efac9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d998c441c771938676edf06a0e9387fce091f1e4d7230def291c87707c204f78 [2023-11-19 03:28:27,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:27,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:27,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:27,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:27,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:27,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2023-11-19 03:28:30,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:31,066 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:31,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2023-11-19 03:28:31,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/data/7196672d0/4d8347c1be134d0bbceca39bd02896dc/FLAGf7c068548 [2023-11-19 03:28:31,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/data/7196672d0/4d8347c1be134d0bbceca39bd02896dc [2023-11-19 03:28:31,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:31,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:31,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:31,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:31,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:31,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31d63a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31, skipping insertion in model container [2023-11-19 03:28:31,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:31,550 WARN L240 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_7ddcc637-31ed-4844-962a-139a369efac9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c[597,610] [2023-11-19 03:28:31,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:31,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:31,597 WARN L240 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_7ddcc637-31ed-4844-962a-139a369efac9/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c[597,610] [2023-11-19 03:28:31,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:31,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:31,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31 WrapperNode [2023-11-19 03:28:31,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:31,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:31,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:31,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:31,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,666 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 03:28:31,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:31,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:31,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:31,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:31,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,698 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:31,699 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:31,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:31,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:31,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:31" (1/1) ... [2023-11-19 03:28:31,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:31,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:31,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:31,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ddcc637-31ed-4844-962a-139a369efac9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:28:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:28:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:28:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:28:31,895 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:31,899 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:32,137 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:32,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:32,194 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:28:32,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:32 BoogieIcfgContainer [2023-11-19 03:28:32,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:32,206 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:32,206 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:32,218 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:32,218 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:32" (1/1) ... [2023-11-19 03:28:32,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 03:28:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 03:28:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:28:32,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:32,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:28:32,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:32,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:32,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 03:28:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 03:28:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:32,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:32,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:28:32,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:33,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:28:33,433 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:28:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:28:33,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:33,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:33,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:28:33,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:34,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:28:35,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:35,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 53 transitions. [2023-11-19 03:28:35,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 03:28:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:28:35,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:35,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:35,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:28:35,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:28:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 63 transitions. [2023-11-19 03:28:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 03:28:37,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:28:37,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:37,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:38,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:28:38,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:28:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 72 transitions. [2023-11-19 03:28:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-11-19 03:28:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:28:41,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:41,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:28:41,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:28:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2023-11-19 03:28:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2023-11-19 03:28:46,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:28:46,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:46,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:46,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 03:28:46,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:28:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 87 transitions. [2023-11-19 03:28:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-19 03:28:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:28:48,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:48,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:48,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:48,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:28:48,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:28:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:53,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 96 transitions. [2023-11-19 03:28:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 96 transitions. [2023-11-19 03:28:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:28:53,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:53,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:28:53,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:28:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:28:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 109 transitions. [2023-11-19 03:28:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 109 transitions. [2023-11-19 03:28:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:28:59,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:59,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:59,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:29:00,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:01,411 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:29:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 104 transitions. [2023-11-19 03:29:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2023-11-19 03:29:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:29:02,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:02,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:02,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:29:02,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:29:10,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 122 transitions. [2023-11-19 03:29:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 122 transitions. [2023-11-19 03:29:10,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:29:10,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:10,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:10,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:29:10,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:29:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 123 transitions. [2023-11-19 03:29:14,239 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2023-11-19 03:29:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:29:14,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:14,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:29:14,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:29:14,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:29:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked.