./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi --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 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:56,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:56,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:16:56,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:56,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:56,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:56,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:56,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:56,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:57,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:57,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:57,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:57,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:57,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:57,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:57,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:57,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:57,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:57,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:57,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:57,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:57,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:57,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:57,012 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:57,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:57,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:57,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:57,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:57,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:57,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:57,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:57,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:57,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:57,017 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_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 [2023-11-24 22:16:57,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:57,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:57,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:57,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:57,397 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:57,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2023-11-24 22:17:00,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:00,967 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:00,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2023-11-24 22:17:00,981 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data/a6fc7a401/9e1f4740fb954d1d8ca91f7a56d54b20/FLAG3af7dd4b9 [2023-11-24 22:17:01,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data/a6fc7a401/9e1f4740fb954d1d8ca91f7a56d54b20 [2023-11-24 22:17:01,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:01,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:01,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:01,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:01,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:01,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69213da4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01, skipping insertion in model container [2023-11-24 22:17:01,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,041 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:01,246 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_7147ba31-eaad-493f-87dc-14e4418f9648/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2023-11-24 22:17:01,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:01,288 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:01,307 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_7147ba31-eaad-493f-87dc-14e4418f9648/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2023-11-24 22:17:01,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:01,335 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:01,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01 WrapperNode [2023-11-24 22:17:01,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:01,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:01,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:01,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:01,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,355 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,377 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-24 22:17:01,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:01,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:01,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:01,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:01,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:01,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:01,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:01,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:01,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:01,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:01,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:01,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:01,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:17:01,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:17:01,562 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:01,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:01,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:01,767 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:01,767 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:17:01,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:01 BoogieIcfgContainer [2023-11-24 22:17:01,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:01,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:01,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:01,786 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:01,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:01,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 22:17:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 22:17:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:17:01,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:01,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 22:17:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 22:17:02,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:02,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 22:17:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 22:17:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:02,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 22:17:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 22:17:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:17:02,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:02,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:02,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:02,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 22:17:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 22:17:03,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:03,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:03,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:03,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:17:03,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2023-11-24 22:17:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2023-11-24 22:17:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:04,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:04,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:17:04,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:05,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2023-11-24 22:17:05,130 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2023-11-24 22:17:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:17:05,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:05,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:05,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:17:05,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:05,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2023-11-24 22:17:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2023-11-24 22:17:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:05,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:05,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:05,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:17:05,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:05,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:17:06,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2023-11-24 22:17:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2023-11-24 22:17:06,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:06,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:06,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:06,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:17:06,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2023-11-24 22:17:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2023-11-24 22:17:07,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:07,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:07,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:07,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:17:07,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:17:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2023-11-24 22:17:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2023-11-24 22:17:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:08,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:17:08,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:17:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2023-11-24 22:17:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2023-11-24 22:17:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:17:08,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:08,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:17:08,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:08,758 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:09,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2023-11-24 22:17:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2023-11-24 22:17:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:09,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:09,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:09,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:17:09,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2023-11-24 22:17:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2023-11-24 22:17:11,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:11,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:17:11,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 126 transitions. [2023-11-24 22:17:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2023-11-24 22:17:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:11,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:11,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:11,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:17:11,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:13,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:13,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2023-11-24 22:17:13,936 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2023-11-24 22:17:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:13,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:13,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:13,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:17:13,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:14,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 71 states and 161 transitions. [2023-11-24 22:17:14,666 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 161 transitions. [2023-11-24 22:17:14,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:14,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:14,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:14,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:17:14,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2023-11-24 22:17:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2023-11-24 22:17:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:15,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:17:15,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:17:15,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:15,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2023-11-24 22:17:15,829 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2023-11-24 22:17:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:17:15,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:15,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:17:15,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2023-11-24 22:17:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2023-11-24 22:17:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:16,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:16,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:17:16,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:17:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 180 transitions. [2023-11-24 22:17:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 180 transitions. [2023-11-24 22:17:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:17,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:17,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:17:18,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:17:18,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:18,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 181 transitions. [2023-11-24 22:17:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 181 transitions. [2023-11-24 22:17:18,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:18,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:18,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:17:18,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:17:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 81 states and 182 transitions. [2023-11-24 22:17:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 182 transitions. [2023-11-24 22:17:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:19,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:19,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:20,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:17:20,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:17:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 83 states and 183 transitions. [2023-11-24 22:17:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 183 transitions. [2023-11-24 22:17:21,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:21,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:21,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:21,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:21,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:22,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 87 states and 207 transitions. [2023-11-24 22:17:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 207 transitions. [2023-11-24 22:17:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:22,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:22,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:22,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:17:22,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:17:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:23,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 89 states and 208 transitions. [2023-11-24 22:17:23,631 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 208 transitions. [2023-11-24 22:17:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:23,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:23,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:23,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:23,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 93 states and 223 transitions. [2023-11-24 22:17:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 223 transitions. [2023-11-24 22:17:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:25,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:25,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:25,393 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:25,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 222 transitions. [2023-11-24 22:17:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 222 transitions. [2023-11-24 22:17:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:17:25,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:25,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:17:25,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:25,908 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2023-11-24 22:17:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2023-11-24 22:17:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:26,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:26,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:26,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:17:26,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:17:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 97 states and 245 transitions. [2023-11-24 22:17:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 245 transitions. [2023-11-24 22:17:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:29,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:29,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:29,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:17:29,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:17:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:30,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 99 states and 246 transitions. [2023-11-24 22:17:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 246 transitions. [2023-11-24 22:17:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:30,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:30,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:17:30,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:30,615 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 103 states and 274 transitions. [2023-11-24 22:17:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 274 transitions. [2023-11-24 22:17:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:32,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:32,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-24 22:17:32,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:17:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 105 states and 275 transitions. [2023-11-24 22:17:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 275 transitions. [2023-11-24 22:17:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:33,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:33,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:33,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:17:33,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:36,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 109 states and 292 transitions. [2023-11-24 22:17:36,013 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 292 transitions. [2023-11-24 22:17:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:36,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:36,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:36,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:17:36,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:17:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 111 states and 293 transitions. [2023-11-24 22:17:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 293 transitions. [2023-11-24 22:17:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:37,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:37,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:37,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:17:37,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 111 states and 292 transitions. [2023-11-24 22:17:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 292 transitions. [2023-11-24 22:17:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:38,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:38,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:17:38,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:17:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 113 states and 293 transitions. [2023-11-24 22:17:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 293 transitions. [2023-11-24 22:17:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:39,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:39,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:39,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:17:39,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:17:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 115 states and 294 transitions. [2023-11-24 22:17:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 294 transitions. [2023-11-24 22:17:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:40,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:40,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:40,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:17:40,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:40,966 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 115 states and 293 transitions. [2023-11-24 22:17:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 293 transitions. [2023-11-24 22:17:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:17:41,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:41,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:17:41,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:17:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:17:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 115 states and 292 transitions. [2023-11-24 22:17:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 292 transitions. [2023-11-24 22:17:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:17:42,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:17:52,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:17:52,203 INFO L158 Benchmark]: Toolchain (without parser) took 51197.33ms. Allocated memory was 123.7MB in the beginning and 346.0MB in the end (delta: 222.3MB). Free memory was 92.6MB in the beginning and 198.8MB in the end (delta: -106.2MB). Peak memory consumption was 118.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:52,203 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 123.7MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:52,203 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.02ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 81.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:17:52,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:52,204 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 123.7MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:52,205 INFO L158 Benchmark]: RCFGBuilder took 358.37ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 68.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:17:52,206 INFO L158 Benchmark]: CodeCheck took 50430.97ms. Allocated memory was 123.7MB in the beginning and 346.0MB in the end (delta: 222.3MB). Free memory was 68.6MB in the beginning and 198.8MB in the end (delta: -130.2MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. [2023-11-24 22:17:52,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 123.7MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.02ms. Allocated memory is still 123.7MB. Free memory was 92.2MB in the beginning and 81.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 123.7MB. Free memory was 80.3MB in the beginning and 79.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.37ms. Allocated memory is still 123.7MB. Free memory was 79.1MB in the beginning and 68.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 50430.97ms. Allocated memory was 123.7MB in the beginning and 346.0MB in the end (delta: 222.3MB). Free memory was 68.6MB in the beginning and 198.8MB in the end (delta: -130.2MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:17:52,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi --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 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:54,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:55,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7147ba31-eaad-493f-87dc-14e4418f9648/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:17:55,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:55,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:55,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:55,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:55,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:55,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:55,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:55,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:17:55,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:17:55,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:55,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:55,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:55,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:55,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:17:55,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:17:55,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:17:55,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:17:55,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:55,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:55,143 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:55,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:55,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:55,144 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:55,145 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:55,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:55,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:55,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:55,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:55,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:55,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:17:55,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:55,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:55,149 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:17:55,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:55,150 INFO L153 SettingsManager]: * Logic for external solver=AUFBV