./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/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_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/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_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/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 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:23:48,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:23:48,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:23:48,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:23:48,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:23:48,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:23:48,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:23:48,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:23:48,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:23:48,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:23:48,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:23:48,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:23:48,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:23:48,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:23:48,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:23:48,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:23:48,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:23:48,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:23:48,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:23:48,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:23:48,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:23:48,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:23:48,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:23:48,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:23:48,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:23:48,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:23:48,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:23:48,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:23:48,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:23:48,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:23:48,304 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:23:48,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:23:48,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:23:48,305 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_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 082e5acb2a505af9e43ec1a894890509a127a32d8ecd4c5193a456bddcb0f4a3 [2023-12-03 04:23:48,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:23:48,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:23:48,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:23:48,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:23:48,548 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:23:48,550 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2023-12-03 04:23:51,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:23:51,552 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:23:51,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c [2023-12-03 04:23:51,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/data/e4c8c28d7/e6cb877507114f61a4fb9277213a26af/FLAG79c6e4926 [2023-12-03 04:23:51,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/data/e4c8c28d7/e6cb877507114f61a4fb9277213a26af [2023-12-03 04:23:51,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:23:51,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:23:51,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:23:51,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:23:51,579 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:23:51,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361569ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51, skipping insertion in model container [2023-12-03 04:23:51,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:23:51,723 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_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2023-12-03 04:23:51,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:23:51,749 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:23:51,762 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_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound5.c[537,550] [2023-12-03 04:23:51,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:23:51,783 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:23:51,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51 WrapperNode [2023-12-03 04:23:51,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:23:51,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:23:51,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:23:51,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:23:51,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,813 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-12-03 04:23:51,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:23:51,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:23:51,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:23:51,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:23:51,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:23:51,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:23:51,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:23:51,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:23:51,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:23:51" (1/1) ... [2023-12-03 04:23:51,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:23:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:23:51,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:23:51,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a92fb7cc-d419-460b-986a-e7aa34dc2c8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:23:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:23:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:23:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:23:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:23:51,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:23:51,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:23:51,953 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:23:51,956 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:23:52,103 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:23:52,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:23:52,153 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:23:52,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:23:52 BoogieIcfgContainer [2023-12-03 04:23:52,155 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:23:52,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:23:52,156 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:23:52,163 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:23:52,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:23:52" (1/1) ... [2023-12-03 04:23:52,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:23:52,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:52,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-03 04:23:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-03 04:23:52,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:23:52,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:52,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:52,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:52,383 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 04:23:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-03 04:23:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-03 04:23:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:23:52,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,611 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 04:23:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2023-12-03 04:23:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2023-12-03 04:23:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:23:52,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:52,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:52,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:23:52,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:52,781 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 04:23:53,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2023-12-03 04:23:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2023-12-03 04:23:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:23:53,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:23:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2023-12-03 04:23:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-12-03 04:23:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:23:53,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:53,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 04:23:53,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:53,726 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 04:23:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:54,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2023-12-03 04:23:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2023-12-03 04:23:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:23:54,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:54,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:23:54,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:23:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:55,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 48 states and 109 transitions. [2023-12-03 04:23:55,616 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 109 transitions. [2023-12-03 04:23:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:23:55,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:55,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 04:23:55,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:55,890 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:23:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:56,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 127 transitions. [2023-12-03 04:23:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 127 transitions. [2023-12-03 04:23:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:23:56,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:56,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:56,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:23:56,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:23:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 132 transitions. [2023-12-03 04:23:57,436 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2023-12-03 04:23:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:23:57,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:57,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:57,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:23:57,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:24:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 61 states and 148 transitions. [2023-12-03 04:24:25,542 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 148 transitions. [2023-12-03 04:24:25,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:24:25,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:25,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:25,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:24:25,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:24:29,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:29,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 159 transitions. [2023-12-03 04:24:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 159 transitions. [2023-12-03 04:24:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:24:29,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:29,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:29,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 04:24:29,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 04:24:52,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:52,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 71 states and 183 transitions. [2023-12-03 04:24:52,539 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 183 transitions. [2023-12-03 04:24:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:24:52,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:53,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 04:24:53,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 04:25:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 79 states and 209 transitions. [2023-12-03 04:25:52,715 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 209 transitions. [2023-12-03 04:25:52,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:25:52,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:52,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:52,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 04:25:52,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-03 04:25:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 82 states and 225 transitions. [2023-12-03 04:25:55,200 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 225 transitions. [2023-12-03 04:25:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 04:25:55,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:55,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:25:55,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:55,524 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-03 04:26:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 87 states and 243 transitions. [2023-12-03 04:26:16,627 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 243 transitions. [2023-12-03 04:26:16,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:26:16,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:16,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:16,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 04:26:16,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-03 04:26:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 94 states and 272 transitions. [2023-12-03 04:26:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 272 transitions. [2023-12-03 04:26:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:26:33,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:33,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:26:33,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 04:26:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 104 states and 361 transitions. [2023-12-03 04:26:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 361 transitions. [2023-12-03 04:26:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:26:41,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:41,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 04:26:41,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 04:28:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 111 states and 396 transitions. [2023-12-03 04:28:43,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 396 transitions. [2023-12-03 04:28:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:28:43,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:43,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:43,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 04:28:43,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-03 04:30:37,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:37,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 118 states and 413 transitions. [2023-12-03 04:30:37,593 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 413 transitions. [2023-12-03 04:30:37,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 04:30:37,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:37,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:37,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:30:37,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 04:30:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 118 states and 412 transitions. [2023-12-03 04:30:38,861 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 412 transitions. [2023-12-03 04:30:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:30:38,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:38,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:30:38,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-03 04:30:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 120 states and 423 transitions. [2023-12-03 04:30:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 423 transitions. [2023-12-03 04:30:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:30:42,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:42,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:30:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:42,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:30:42,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 04:30:56,941 WARN L293 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:31:12,012 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:31:31,070 WARN L293 SmtUtils]: Spent 10.32s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:31:57,207 WARN L293 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:32:12,576 WARN L293 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:32:13,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:32:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 124 states and 436 transitions. [2023-12-03 04:32:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 436 transitions. [2023-12-03 04:32:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:32:13,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:32:13,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:32:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:32:13,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:32:13,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:32:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-03 04:32:40,903 WARN L293 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:33:08,230 WARN L293 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:33:20,975 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:33:32,706 WARN L293 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:33:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:32,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 127 states and 444 transitions. [2023-12-03 04:33:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 444 transitions. [2023-12-03 04:33:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:33:32,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:32,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:32,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:33:32,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:32,888 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-03 04:33:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 129 states and 446 transitions. [2023-12-03 04:33:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 446 transitions. [2023-12-03 04:33:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:33:37,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:37,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:38,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-03 04:33:38,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 36 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-03 04:36:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 135 states and 481 transitions. [2023-12-03 04:36:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 481 transitions. [2023-12-03 04:36:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:36:56,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:56,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:57,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-03 04:36:57,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 04:37:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 140 states and 501 transitions. [2023-12-03 04:37:30,548 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 501 transitions. [2023-12-03 04:37:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:37:30,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:30,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:31,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 04:37:31,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-03 04:38:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 145 states and 534 transitions. [2023-12-03 04:38:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 534 transitions. [2023-12-03 04:38:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 04:38:09,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:10,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:10,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 04:38:10,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.