./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/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 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:43,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:43,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:43,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:43,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:43,427 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:43,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:43,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:43,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:43,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:43,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:43,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:43,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:43,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:43,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:43,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:43,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:43,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:43,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:43,443 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:43,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:43,444 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:43,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:43,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:43,447 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:43,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:43,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:43,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:43,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:43,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:43,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:43,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:43,452 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:43,452 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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a [2023-11-24 22:52:43,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:43,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:43,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:43,823 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:43,823 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:43,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-24 22:52:47,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:47,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:47,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-24 22:52:47,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/data/9ed819d29/baf0cf257b4e4023b50261d2a38c8c09/FLAGd5fd49acb [2023-11-24 22:52:47,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/data/9ed819d29/baf0cf257b4e4023b50261d2a38c8c09 [2023-11-24 22:52:47,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:47,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:47,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:47,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:47,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:47,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49db5d76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47, skipping insertion in model container [2023-11-24 22:52:47,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,410 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:47,576 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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c[573,586] [2023-11-24 22:52:47,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:47,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:47,617 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_44b7a30d-5036-4ab1-b837-0e75b2cbab84/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c[573,586] [2023-11-24 22:52:47,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:47,639 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:47,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47 WrapperNode [2023-11-24 22:52:47,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:47,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:47,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:47,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:47,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,675 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-24 22:52:47,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:47,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:47,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:47,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:47,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:47,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:47,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:47,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:47,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:47" (1/1) ... [2023-11-24 22:52:47,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:47,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:47,737 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44b7a30d-5036-4ab1-b837-0e75b2cbab84/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:52:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:52:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:52:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:52:47,869 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:47,871 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:48,091 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:48,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:48,143 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:48,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:48 BoogieIcfgContainer [2023-11-24 22:52:48,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:48,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:48,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:48,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:48,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:48" (1/1) ... [2023-11-24 22:52:48,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-24 22:52:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-24 22:52:48,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:52:48,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:48,437 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 22:52:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-24 22:52:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-24 22:52:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:52:48,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:48,658 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 22:52:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:48,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-24 22:52:48,727 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-24 22:52:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:52:48,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:48,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:48,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:52:48,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:49,093 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 22:52:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-11-24 22:52:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-24 22:52:50,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:52:50,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:50,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:50,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:52:50,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:50,652 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 22:52:51,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 46 transitions. [2023-11-24 22:52:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-24 22:52:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:51,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:51,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:51,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:52:51,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:51,336 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 22:52:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:52,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 67 transitions. [2023-11-24 22:52:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-11-24 22:52:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:52,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:52,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:52,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:52:52,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:53,363 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 22:52:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 80 transitions. [2023-11-24 22:52:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-24 22:52:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:52:55,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:55,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:55,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:52:55,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:55,353 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 22:52:56,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 82 transitions. [2023-11-24 22:52:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2023-11-24 22:52:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:56,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:56,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:52:56,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:56,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:52:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 48 states and 94 transitions. [2023-11-24 22:52:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2023-11-24 22:52:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:52:59,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:59,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:59,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:52:59,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:59,807 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 22:53:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:02,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 56 states and 123 transitions. [2023-11-24 22:53:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 123 transitions. [2023-11-24 22:53:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:02,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:02,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:02,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:53:02,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:03,471 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 22:53:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 63 states and 142 transitions. [2023-11-24 22:53:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 142 transitions. [2023-11-24 22:53:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:07,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:07,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:53:07,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:08,517 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 22:53:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 68 states and 149 transitions. [2023-11-24 22:53:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 149 transitions. [2023-11-24 22:53:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:53:11,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:11,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:11,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:53:11,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:11,979 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 22:53:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:12,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 148 transitions. [2023-11-24 22:53:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2023-11-24 22:53:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:12,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:12,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:12,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:53:12,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:53:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:18,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 73 states and 170 transitions. [2023-11-24 22:53:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 170 transitions. [2023-11-24 22:53:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:18,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:18,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:18,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:53:18,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:20,269 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 22:53:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 79 states and 187 transitions. [2023-11-24 22:53:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 187 transitions. [2023-11-24 22:53:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:27,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:27,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:53:27,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:27,981 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 22:53:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 87 states and 228 transitions. [2023-11-24 22:53:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 228 transitions. [2023-11-24 22:53:32,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:32,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:32,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:32,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:53:32,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:33,487 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 22:53:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 89 states and 230 transitions. [2023-11-24 22:53:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 230 transitions. [2023-11-24 22:53:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:36,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:36,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:36,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:53:36,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:37,396 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 22:53:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 92 states and 235 transitions. [2023-11-24 22:53:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 235 transitions. [2023-11-24 22:53:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:40,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:40,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:40,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:53:40,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:40,523 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 22:53:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 92 states and 234 transitions. [2023-11-24 22:53:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 234 transitions. [2023-11-24 22:53:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:53:41,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:41,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:41,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:53:41,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:53:41,526 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.