./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9 --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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:58:59,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:58:59,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:58:59,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:58:59,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:58:59,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:58:59,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:58:59,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:58:59,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:58:59,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:58:59,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:58:59,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:58:59,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:58:59,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:58:59,400 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:58:59,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:58:59,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:58:59,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:58:59,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:58:59,403 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:58:59,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:58:59,404 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:58:59,404 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:58:59,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:58:59,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:58:59,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:58:59,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:58:59,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:58:59,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:58:59,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:58:59,408 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:58:59,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:58:59,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:58:59,409 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2023-12-03 02:58:59,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:58:59,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:58:59,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:58:59,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:58:59,642 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:58:59,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2023-12-03 02:59:02,391 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:59:02,553 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:59:02,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2023-12-03 02:59:02,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/560024b07/4591f0f12ee244c1a638fa90b8e3d684/FLAG9c30f9633 [2023-12-03 02:59:02,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/560024b07/4591f0f12ee244c1a638fa90b8e3d684 [2023-12-03 02:59:02,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:59:02,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:59:02,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:59:02,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:59:02,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:59:02,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441431fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02, skipping insertion in model container [2023-12-03 02:59:02,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,607 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:59:02,753 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2023-12-03 02:59:02,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:59:02,780 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:59:02,793 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2023-12-03 02:59:02,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:59:02,816 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:59:02,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02 WrapperNode [2023-12-03 02:59:02,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:59:02,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:59:02,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:59:02,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:59:02,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,846 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-12-03 02:59:02,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:59:02,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:59:02,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:59:02,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:59:02,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:59:02,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:59:02,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:59:02,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:59:02,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:59:02" (1/1) ... [2023-12-03 02:59:02,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:59:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:59:02,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:59:02,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:59:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:59:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:59:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:59:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:59:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:59:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:59:02,987 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:59:02,989 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:59:03,116 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:59:03,158 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:59:03,159 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:59:03,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:59:03 BoogieIcfgContainer [2023-12-03 02:59:03,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:59:03,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:59:03,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:59:03,172 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:59:03,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:59:03" (1/1) ... [2023-12-03 02:59:03,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:59:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 02:59:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 02:59:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:59:03,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:03,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:03,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:59:03,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:03,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 02:59:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 02:59:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:59:03,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:03,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:03,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:59:03,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 02:59:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 02:59:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:59:03,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:03,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:59:03,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:03,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:04,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:04,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 02:59:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 02:59:04,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:59:04,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:04,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:04,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:59:04,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 02:59:04,776 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 02:59:04,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:59:04,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:04,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:59:04,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-12-03 02:59:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-12-03 02:59:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:59:05,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:05,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:05,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:59:05,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2023-12-03 02:59:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-12-03 02:59:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 02:59:06,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:06,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:59:06,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:06,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:06,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-12-03 02:59:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-12-03 02:59:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:59:06,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:07,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:59:07,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-12-03 02:59:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-12-03 02:59:07,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:59:07,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:07,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:07,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:59:07,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2023-12-03 02:59:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2023-12-03 02:59:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:59:08,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:08,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:59:08,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:09,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:09,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-12-03 02:59:09,883 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-12-03 02:59:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:59:09,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:09,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:09,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:59:09,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:09,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:10,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:10,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2023-12-03 02:59:10,784 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2023-12-03 02:59:10,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:59:10,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:10,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:10,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:59:10,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:11,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:11,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 130 transitions. [2023-12-03 02:59:11,047 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 130 transitions. [2023-12-03 02:59:11,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:59:11,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:11,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:11,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:59:11,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:59:11,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2023-12-03 02:59:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2023-12-03 02:59:11,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:59:11,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:11,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:11,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:59:11,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 69 states and 171 transitions. [2023-12-03 02:59:14,045 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 171 transitions. [2023-12-03 02:59:14,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:59:14,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:14,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:59:14,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:14,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 176 transitions. [2023-12-03 02:59:14,878 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 176 transitions. [2023-12-03 02:59:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:14,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:14,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:14,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:59:14,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 76 states and 190 transitions. [2023-12-03 02:59:16,325 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 190 transitions. [2023-12-03 02:59:16,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:16,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:16,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:59:16,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 193 transitions. [2023-12-03 02:59:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2023-12-03 02:59:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:17,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:17,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:17,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:59:17,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 87 states and 238 transitions. [2023-12-03 02:59:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 238 transitions. [2023-12-03 02:59:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:19,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:19,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:19,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:59:19,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 89 states and 239 transitions. [2023-12-03 02:59:20,256 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 239 transitions. [2023-12-03 02:59:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:20,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:20,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:59:20,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 02:59:21,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 92 states and 242 transitions. [2023-12-03 02:59:21,455 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 242 transitions. [2023-12-03 02:59:21,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:21,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:21,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:21,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:59:21,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 92 states and 241 transitions. [2023-12-03 02:59:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 241 transitions. [2023-12-03 02:59:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:59:21,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:21,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:21,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:59:21,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:22,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 92 states and 240 transitions. [2023-12-03 02:59:22,148 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 240 transitions. [2023-12-03 02:59:22,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:59:22,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:22,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:22,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:59:22,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 102 states and 290 transitions. [2023-12-03 02:59:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 290 transitions. [2023-12-03 02:59:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:59:26,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:26,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:59:26,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:27,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 107 states and 295 transitions. [2023-12-03 02:59:27,965 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 295 transitions. [2023-12-03 02:59:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:59:27,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:27,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:27,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:59:27,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 108 states and 297 transitions. [2023-12-03 02:59:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2023-12-03 02:59:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 02:59:28,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:28,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:28,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:59:28,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:29,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 111 states and 300 transitions. [2023-12-03 02:59:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 300 transitions. [2023-12-03 02:59:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:29,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:29,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:30,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:59:30,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 115 states and 316 transitions. [2023-12-03 02:59:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 316 transitions. [2023-12-03 02:59:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:32,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:32,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:33,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:59:33,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 118 states and 320 transitions. [2023-12-03 02:59:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 320 transitions. [2023-12-03 02:59:34,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:34,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:36,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-03 02:59:36,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:59:38,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 120 states and 321 transitions. [2023-12-03 02:59:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 321 transitions. [2023-12-03 02:59:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:38,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:38,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:40,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-03 02:59:40,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 02:59:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 123 states and 324 transitions. [2023-12-03 02:59:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 324 transitions. [2023-12-03 02:59:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:42,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:42,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:42,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:59:42,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:45,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:45,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 131 states and 381 transitions. [2023-12-03 02:59:45,519 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 381 transitions. [2023-12-03 02:59:45,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:45,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:45,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:46,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-03 02:59:46,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:59:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 134 states and 384 transitions. [2023-12-03 02:59:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 384 transitions. [2023-12-03 02:59:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:48,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:48,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:48,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:59:48,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:48,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 134 states and 383 transitions. [2023-12-03 02:59:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 383 transitions. [2023-12-03 02:59:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:48,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:48,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:48,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:59:48,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:49,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 134 states and 382 transitions. [2023-12-03 02:59:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 382 transitions. [2023-12-03 02:59:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 02:59:49,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:49,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:49,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:59:49,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:59:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 134 states and 381 transitions. [2023-12-03 02:59:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 381 transitions. [2023-12-03 02:59:49,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:49,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:49,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:59:49,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:59:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 144 states and 441 transitions. [2023-12-03 02:59:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 441 transitions. [2023-12-03 02:59:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:55,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:55,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:55,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:59:55,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:59:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:57,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 150 states and 447 transitions. [2023-12-03 02:59:57,889 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 447 transitions. [2023-12-03 02:59:57,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:57,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:57,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:59:57,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:59:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 151 states and 450 transitions. [2023-12-03 02:59:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 450 transitions. [2023-12-03 02:59:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:58,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:58,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:59:58,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 02:59:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:59:59,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 152 states and 452 transitions. [2023-12-03 02:59:59,250 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 452 transitions. [2023-12-03 02:59:59,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:59:59,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:59:59,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:59:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:59:59,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 02:59:59,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:59:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:00,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 155 states and 455 transitions. [2023-12-03 03:00:00,381 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 455 transitions. [2023-12-03 03:00:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 03:00:00,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:00,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:00,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-03 03:00:00,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 159 states and 458 transitions. [2023-12-03 03:00:02,464 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 458 transitions. [2023-12-03 03:00:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:02,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:02,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:11,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:00:11,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:14,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:14,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 163 states and 477 transitions. [2023-12-03 03:00:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 477 transitions. [2023-12-03 03:00:14,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:14,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:14,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:22,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:00:22,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:23,024 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:37,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 03:00:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 166 states and 481 transitions. [2023-12-03 03:00:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 481 transitions. [2023-12-03 03:00:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:38,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:38,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:41,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:00:41,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:00:44,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:44,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 169 states and 484 transitions. [2023-12-03 03:00:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 484 transitions. [2023-12-03 03:00:44,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:44,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:44,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:45,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:00:45,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:47,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 171 states and 485 transitions. [2023-12-03 03:00:47,315 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 485 transitions. [2023-12-03 03:00:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:47,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:47,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:47,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:47,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:52,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 179 states and 554 transitions. [2023-12-03 03:00:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 554 transitions. [2023-12-03 03:00:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:52,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:52,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:55,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:00:55,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:00:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:57,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 182 states and 557 transitions. [2023-12-03 03:00:57,367 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 557 transitions. [2023-12-03 03:00:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:57,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:57,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:00:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:00:57,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:00:57,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:00:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:00:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:00:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 182 states and 556 transitions. [2023-12-03 03:00:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 556 transitions. [2023-12-03 03:00:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:00:58,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:00:58,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:01,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-03 03:01:01,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 03:01:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 185 states and 559 transitions. [2023-12-03 03:01:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 559 transitions. [2023-12-03 03:01:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:03,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:03,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:03,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:01:03,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 185 states and 558 transitions. [2023-12-03 03:01:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 558 transitions. [2023-12-03 03:01:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:04,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:04,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:01:04,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:05,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 185 states and 557 transitions. [2023-12-03 03:01:05,041 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 557 transitions. [2023-12-03 03:01:05,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:01:05,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:05,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:05,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 03:01:05,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:05,124 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:05,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 185 states and 556 transitions. [2023-12-03 03:01:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 556 transitions. [2023-12-03 03:01:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:05,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:05,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:05,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:05,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:14,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:14,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 195 states and 627 transitions. [2023-12-03 03:01:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 627 transitions. [2023-12-03 03:01:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:14,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:14,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:14,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:14,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:14,442 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 200 states and 633 transitions. [2023-12-03 03:01:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 633 transitions. [2023-12-03 03:01:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:17,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:17,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:17,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 201 states and 635 transitions. [2023-12-03 03:01:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 635 transitions. [2023-12-03 03:01:18,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:18,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:18,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:18,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:18,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 206 states and 639 transitions. [2023-12-03 03:01:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 639 transitions. [2023-12-03 03:01:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:20,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:20,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:20,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:20,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:20,567 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 207 states and 641 transitions. [2023-12-03 03:01:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 641 transitions. [2023-12-03 03:01:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:21,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:21,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:21,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:21,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 208 states and 643 transitions. [2023-12-03 03:01:22,262 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 643 transitions. [2023-12-03 03:01:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:22,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:22,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:22,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:22,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:24,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:24,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 211 states and 646 transitions. [2023-12-03 03:01:24,042 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 646 transitions. [2023-12-03 03:01:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:24,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:24,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:24,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:24,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 214 states and 649 transitions. [2023-12-03 03:01:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 649 transitions. [2023-12-03 03:01:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:01:25,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:25,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:25,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 03:01:25,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 26 proven. 41 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 03:01:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 216 states and 650 transitions. [2023-12-03 03:01:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 650 transitions. [2023-12-03 03:01:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:01:26,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:26,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:01:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:01:36,317 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:01:36,320 INFO L158 Benchmark]: Toolchain (without parser) took 153740.39ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 119.1MB in the beginning and 165.3MB in the end (delta: -46.2MB). Peak memory consumption was 286.5MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,320 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:01:36,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.46ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 108.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.00ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,321 INFO L158 Benchmark]: Boogie Preprocessor took 17.32ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,322 INFO L158 Benchmark]: RCFGBuilder took 296.05ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 93.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,322 INFO L158 Benchmark]: CodeCheck took 153157.21ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 93.2MB in the beginning and 165.3MB in the end (delta: -72.1MB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. [2023-12-03 03:01:36,325 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.3MB in the end (delta: 29.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.46ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 108.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.00ms. Allocated memory is still 161.5MB. Free memory was 108.1MB in the beginning and 106.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.32ms. Allocated memory is still 161.5MB. Free memory was 106.8MB in the beginning and 105.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.05ms. Allocated memory is still 161.5MB. Free memory was 105.3MB in the beginning and 93.4MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 153157.21ms. Allocated memory was 161.5MB in the beginning and 490.7MB in the end (delta: 329.3MB). Free memory was 93.2MB in the beginning and 165.3MB in the end (delta: -72.1MB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:01:36,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9 --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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:01:38,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:01:38,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:01:38,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:01:38,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:01:38,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:01:38,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:01:38,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:01:38,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:01:38,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:01:38,340 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:01:38,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:01:38,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:01:38,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:01:38,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:01:38,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:01:38,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:01:38,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:01:38,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:01:38,345 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:01:38,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:01:38,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:01:38,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:01:38,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:01:38,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:01:38,348 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:38,349 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:01:38,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:01:38,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:01:38,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:01:38,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:01:38,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:01:38,351 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:01:38,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:38,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:01:38,352 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:01:38,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:01:38,353 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2023-12-03 03:01:38,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:01:38,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:01:38,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:01:38,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:01:38,670 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:01:38,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2023-12-03 03:01:41,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:01:41,665 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:01:41,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2023-12-03 03:01:41,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/3b9fe227e/d2dd96377f7e4c5eb339b7c200bac819/FLAG793180e0f [2023-12-03 03:01:41,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/data/3b9fe227e/d2dd96377f7e4c5eb339b7c200bac819 [2023-12-03 03:01:41,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:01:41,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:01:41,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:01:41,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:01:41,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:01:41,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568fa0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41, skipping insertion in model container [2023-12-03 03:01:41,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,715 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:01:41,840 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2023-12-03 03:01:41,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:01:41,874 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:01:41,885 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_7af92111-ed49-4a59-a6e2-77fbc99d5370/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c[458,471] [2023-12-03 03:01:41,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:01:41,909 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:01:41,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41 WrapperNode [2023-12-03 03:01:41,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:01:41,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:01:41,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:01:41,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:01:41,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,944 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2023-12-03 03:01:41,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:01:41,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:01:41,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:01:41,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:01:41,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:01:41,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:01:41,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:01:41,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:01:41,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:01:41" (1/1) ... [2023-12-03 03:01:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:01:41,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:01:42,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:01:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:01:42,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:01:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:01:42,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:01:42,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:01:42,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:01:42,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:01:42,122 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:01:42,124 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:01:42,482 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:01:42,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:01:42,531 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:01:42,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:01:42 BoogieIcfgContainer [2023-12-03 03:01:42,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:01:42,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:01:42,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:01:42,544 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:01:42,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:01:42" (1/1) ... [2023-12-03 03:01:42,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:01:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-12-03 03:01:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-12-03 03:01:42,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:01:42,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:42,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:42,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:42,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:01:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:42,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:42,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:01:42,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:42,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:01:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 03:01:43,019 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 03:01:43,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:01:43,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:43,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:43,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:43,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:43,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:01:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:43,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:43,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:01:43,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:43,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 03:01:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 03:01:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 03:01:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:01:43,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:43,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:43,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:43,854 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:43,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:01:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:44,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:44,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:01:44,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:01:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:01:44,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:01:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:01:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-12-03 03:01:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-12-03 03:01:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:01:47,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:01:47,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:01:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:01:47,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:01:47,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:01:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:47,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:01:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:01:48,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:01:48,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:02:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:02:13,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:02:19,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:02:21,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:02:56,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 03:02:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 03:02:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:02:56,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:56,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:56,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:02:56,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:02:56,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:02:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:57,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:02:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:02:58,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:02:58,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:03:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:03:00,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:03:30,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:28,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:36,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:37,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:05:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:05:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-12-03 03:05:45,627 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-12-03 03:05:45,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:05:45,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:05:45,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:05:45,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:05:45,630 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:05:45,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:05:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:46,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:05:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:05:47,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 03:05:47,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:05:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:05:48,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 03:06:53,605 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:06:54,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:06:56,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:07:07,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:07:32,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:07:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:07:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2023-12-03 03:07:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2023-12-03 03:07:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:07:32,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:07:32,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:07:32,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:07:32,497 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:07:32,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:07:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:32,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:07:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:07:33,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:07:33,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:07:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:07:37,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:09:51,384 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:09:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:09:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2023-12-03 03:09:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2023-12-03 03:09:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:09:54,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:09:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:09:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:09:54,846 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:09:54,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:09:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:09:56,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:09:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:09:57,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:09:57,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:10:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:10:00,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:10:35,751 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:11:31,279 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 03:11:52,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:12:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:12:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 94 transitions. [2023-12-03 03:12:27,466 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2023-12-03 03:12:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:12:27,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:12:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:12:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:12:27,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:12:27,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:12:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:28,933 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:12:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:12:30,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 03:12:30,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:12:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:12:30,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7af92111-ed49-4a59-a6e2-77fbc99d5370/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0