./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV --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 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:42:27,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:42:27,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:42:27,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:42:27,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:42:27,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:42:27,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:42:27,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:42:27,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:42:27,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:42:27,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:42:27,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:42:27,273 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:42:27,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:42:27,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:42:27,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:42:27,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:42:27,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:42:27,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:42:27,277 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:42:27,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:42:27,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:42:27,279 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:42:27,279 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:42:27,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:42:27,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:27,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:42:27,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:42:27,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:42:27,283 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:42:27,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:42:27,285 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:42:27,285 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_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d6ad2c11d3a75b8845224ed23d407062e615cc5bd2b5ad3e6646436a3e13805 [2023-11-11 23:42:27,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:42:27,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:42:27,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:42:27,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:42:27,687 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:42:27,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2023-11-11 23:42:31,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:42:31,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:42:31,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i [2023-11-11 23:42:31,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/data/69d3d4c7f/a70ff162fdd142b6b22704819a4d61d0/FLAGea7157b8d [2023-11-11 23:42:31,308 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/data/69d3d4c7f/a70ff162fdd142b6b22704819a4d61d0 [2023-11-11 23:42:31,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:42:31,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:42:31,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:31,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:42:31,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:42:31,323 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b512f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31, skipping insertion in model container [2023-11-11 23:42:31,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:42:31,553 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_0646d05d-5784-4e8c-a61f-e1404568c1eb/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2023-11-11 23:42:31,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:31,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:42:31,596 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_0646d05d-5784-4e8c-a61f-e1404568c1eb/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound10.i[951,964] [2023-11-11 23:42:31,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:42:31,619 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:42:31,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31 WrapperNode [2023-11-11 23:42:31,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:42:31,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:31,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:42:31,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:42:31,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,656 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2023-11-11 23:42:31,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:42:31,658 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:42:31,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:42:31,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:42:31,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,678 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:42:31,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:42:31,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:42:31,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:42:31,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:42:31" (1/1) ... [2023-11-11 23:42:31,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:42:31,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:31,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:31,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0646d05d-5784-4e8c-a61f-e1404568c1eb/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:31,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:42:31,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:31,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:31,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:42:31,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:42:31,858 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:31,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:32,102 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:32,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:32,158 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:42:32,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:32 BoogieIcfgContainer [2023-11-11 23:42:32,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:42:32,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:42:32,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:42:32,173 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:42:32,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:42:32" (1/1) ... [2023-11-11 23:42:32,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:42:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-11 23:42:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-11 23:42:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:42:32,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:32,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:32,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:42:32,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:42:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:42:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:42:32,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:32,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:32,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:42:32,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-11 23:42:32,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-11 23:42:32,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:42:32,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:32,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:32,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:42:32,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:33,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:33,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-11 23:42:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-11 23:42:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:42:33,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:33,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:33,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-11 23:42:33,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:42:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-11 23:42:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-11 23:42:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:42:34,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:34,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:42:34,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-11 23:42:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-11 23:42:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:42:35,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:35,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:35,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:42:35,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-11 23:42:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-11 23:42:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:42:36,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:36,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:42:36,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2023-11-11 23:42:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2023-11-11 23:42:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:42:37,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:37,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-11 23:42:37,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:45,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-11 23:42:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2023-11-11 23:42:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2023-11-11 23:42:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:42:46,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:46,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:46,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:42:46,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:48,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2023-11-11 23:42:48,332 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2023-11-11 23:42:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:42:48,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:48,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:48,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-11 23:42:48,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:42:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:48,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2023-11-11 23:42:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2023-11-11 23:42:48,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:42:48,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:48,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:49,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-11 23:42:49,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:42:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:42:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2023-11-11 23:42:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2023-11-11 23:42:51,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:42:51,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:42:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:42:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:42:51,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-11 23:42:51,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:42:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:43:05,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-11 23:43:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2023-11-11 23:43:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2023-11-11 23:43:05,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:43:05,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:05,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:05,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-11 23:43:05,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:43:14,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-11 23:43:17,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 115 transitions. [2023-11-11 23:43:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2023-11-11 23:43:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:43:17,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:17,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-11 23:43:17,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:43:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.