./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.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_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/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_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/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_96c3017d-eedc-415f-9943-345fa73d87be/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:33,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:33,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:33,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:33,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:33,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:33,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:33,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:33,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:33,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:33,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:33,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:33,986 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:33,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:33,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:33,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:33,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:33,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:33,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:33,990 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:33,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:33,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:33,991 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:33,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:33,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:33,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:33,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:33,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:33,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:33,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:33,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:33,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:33,996 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:33,996 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_96c3017d-eedc-415f-9943-345fa73d87be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-24 23:04:34,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:34,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:34,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:34,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:34,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:34,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2023-11-24 23:04:37,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:37,584 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:37,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2023-11-24 23:04:37,592 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/data/c37f376a1/fee7bb886a7a41c1adb122d9ed210f48/FLAG76884087b [2023-11-24 23:04:37,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/data/c37f376a1/fee7bb886a7a41c1adb122d9ed210f48 [2023-11-24 23:04:37,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:37,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:37,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:37,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:37,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:37,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565513e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37, skipping insertion in model container [2023-11-24 23:04:37,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:37,816 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_96c3017d-eedc-415f-9943-345fa73d87be/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c[573,586] [2023-11-24 23:04:37,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:37,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:37,851 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_96c3017d-eedc-415f-9943-345fa73d87be/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c[573,586] [2023-11-24 23:04:37,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:37,869 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:37,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37 WrapperNode [2023-11-24 23:04:37,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:37,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:37,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:37,872 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:37,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,903 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-24 23:04:37,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:37,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:37,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:37,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:37,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:37,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:37,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:37,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:37" (1/1) ... [2023-11-24 23:04:37,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:37,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:37,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:37,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96c3017d-eedc-415f-9943-345fa73d87be/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:04:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:04:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:37,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:37,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:38,059 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:38,061 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:38,204 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:38,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:38,262 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:04:38,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:38 BoogieIcfgContainer [2023-11-24 23:04:38,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:38,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:38,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:38,282 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:38,282 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:38" (1/1) ... [2023-11-24 23:04:38,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 23:04:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 23:04:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:38,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-24 23:04:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-24 23:04:38,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:04:38,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions. [2023-11-24 23:04:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 23:04:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:04:39,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:39,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions. [2023-11-24 23:04:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:04:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:04:40,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:04:40,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:40,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:41,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions. [2023-11-24 23:04:41,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-24 23:04:41,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:04:41,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:41,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:41,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:42,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions. [2023-11-24 23:04:42,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2023-11-24 23:04:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:04:42,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:42,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:42,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:42,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 56 transitions. [2023-11-24 23:04:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-11-24 23:04:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-24 23:04:44,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:44,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:45,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:04:45,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:46,640 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:04:50,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:50,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 80 transitions. [2023-11-24 23:04:50,328 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2023-11-24 23:04:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:04:50,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:50,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:50,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:50,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 23:04:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 86 transitions. [2023-11-24 23:04:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-24 23:04:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:04:53,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:53,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:53,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:04:53,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:55,667 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:04:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 93 transitions. [2023-11-24 23:04:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2023-11-24 23:04:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 23:04:58,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:58,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:58,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:04:58,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:05:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 95 transitions. [2023-11-24 23:05:03,481 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions. [2023-11-24 23:05:03,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:05:03,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:03,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:03,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:05:03,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-24 23:05:12,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:12,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 103 transitions. [2023-11-24 23:05:12,519 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2023-11-24 23:05:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:05:12,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:12,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:12,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:05:12,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:16,074 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 34 proven. 59 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 23:05:22,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 111 transitions. [2023-11-24 23:05:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2023-11-24 23:05:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:05:22,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:22,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:05:22,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.