./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.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_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/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_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/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_425fcbca-7104-4519-bcba-6f365abf9a2a/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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:40,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:40,437 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:40,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:40,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:40,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:40,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:40,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:40,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:40,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:40,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:40,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:40,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:40,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:40,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:40,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:40,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:40,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:40,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:40,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:40,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:40,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:40,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:40,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:40,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:40,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:40,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:40,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:40,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:40,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:40,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:40,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:40,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:40,491 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_425fcbca-7104-4519-bcba-6f365abf9a2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2023-11-24 23:03:40,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:40,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:40,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:40,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:40,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:40,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-24 23:03:43,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:44,250 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:44,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2023-11-24 23:03:44,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/data/fe6657a7b/a0a28b76dd7d42ada7e46caf0c7e4392/FLAG483873ab7 [2023-11-24 23:03:44,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/data/fe6657a7b/a0a28b76dd7d42ada7e46caf0c7e4392 [2023-11-24 23:03:44,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:44,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:44,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:44,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:44,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:44,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6223b391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44, skipping insertion in model container [2023-11-24 23:03:44,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:44,531 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_425fcbca-7104-4519-bcba-6f365abf9a2a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586] [2023-11-24 23:03:44,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:44,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:44,592 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_425fcbca-7104-4519-bcba-6f365abf9a2a/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c[573,586] [2023-11-24 23:03:44,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:44,629 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:44,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44 WrapperNode [2023-11-24 23:03:44,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:44,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:44,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:44,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:44,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,670 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-24 23:03:44,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:44,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:44,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:44,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:44,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:44,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:44,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:44,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:44,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:44" (1/1) ... [2023-11-24 23:03:44,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:44,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:44,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_425fcbca-7104-4519-bcba-6f365abf9a2a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:03:44,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:03:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:44,879 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:44,881 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:45,038 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:45,080 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:45,081 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:45,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:45 BoogieIcfgContainer [2023-11-24 23:03:45,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:45,102 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:45,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:45,113 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:45,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:45" (1/1) ... [2023-11-24 23:03:45,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 23:03:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 23:03:45,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:03:45,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:45,393 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 23:03:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-24 23:03:45,420 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 23:03:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:45,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:45,587 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 23:03:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-24 23:03:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-24 23:03:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:45,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:46,143 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 23:03:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:47,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-11-24 23:03:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-24 23:03:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:03:47,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:47,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:47,608 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 23:03:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 46 transitions. [2023-11-24 23:03:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-24 23:03:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:48,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:48,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:48,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:48,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 67 transitions. [2023-11-24 23:03:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-11-24 23:03:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:49,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:49,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:49,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:03:49,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 80 transitions. [2023-11-24 23:03:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-24 23:03:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:52,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:52,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:52,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:03:52,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 82 transitions. [2023-11-24 23:03:53,353 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2023-11-24 23:03:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:53,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:53,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:53,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:03:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 108 transitions. [2023-11-24 23:03:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2023-11-24 23:03:56,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:56,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:56,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:03:56,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 56 states and 123 transitions. [2023-11-24 23:04:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 123 transitions. [2023-11-24 23:04:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:01,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:01,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:04:01,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 63 states and 142 transitions. [2023-11-24 23:04:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 142 transitions. [2023-11-24 23:04:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:08,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:08,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 63 states and 141 transitions. [2023-11-24 23:04:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 141 transitions. [2023-11-24 23:04:08,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:08,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:08,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:08,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:08,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:04:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 66 states and 146 transitions. [2023-11-24 23:04:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2023-11-24 23:04:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:12,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:12,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:12,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:12,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:04:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:14,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 68 states and 147 transitions. [2023-11-24 23:04:14,939 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 147 transitions. [2023-11-24 23:04:14,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:14,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:14,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:15,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:15,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:04:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 76 states and 181 transitions. [2023-11-24 23:04:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 181 transitions. [2023-11-24 23:04:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:19,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:19,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:19,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:19,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:28,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 81 states and 212 transitions. [2023-11-24 23:04:28,641 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 212 transitions. [2023-11-24 23:04:28,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:28,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:28,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:28,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:28,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 23:04:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 84 states and 217 transitions. [2023-11-24 23:04:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 217 transitions. [2023-11-24 23:04:33,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:33,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 23:04:33,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.