./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i --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_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/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_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/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_45eb2fc8-673f-4132-a158-8bc180185574/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 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:41:35,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:41:35,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:41:35,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:41:35,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:41:35,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:41:35,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:41:35,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:41:35,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:41:35,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:41:35,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:41:35,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:41:35,926 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:41:35,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:41:35,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:41:35,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:41:35,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:41:35,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:41:35,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:41:35,930 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:41:35,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:41:35,932 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:41:35,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:41:35,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:41:35,933 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:41:35,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:41:35,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:35,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:41:35,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:41:35,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:41:35,936 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:41:35,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:41:35,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:41:35,937 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_45eb2fc8-673f-4132-a158-8bc180185574/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 462bdab67ac93ddd789186f30bfdfc189629d2959c27ec219da5960b800d2042 [2023-12-03 02:41:36,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:41:36,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:41:36,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:41:36,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:41:36,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:41:36,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-12-03 02:41:39,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:41:39,255 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:41:39,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i [2023-12-03 02:41:39,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/data/48f9c057c/7f4d4b3b5f6741e2a25a91d56259341a/FLAGcc54c2196 [2023-12-03 02:41:39,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/data/48f9c057c/7f4d4b3b5f6741e2a25a91d56259341a [2023-12-03 02:41:39,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:41:39,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:41:39,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:39,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:41:39,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:41:39,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee19ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39, skipping insertion in model container [2023-12-03 02:41:39,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:41:39,434 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_45eb2fc8-673f-4132-a158-8bc180185574/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i[950,963] [2023-12-03 02:41:39,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:39,461 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:41:39,474 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_45eb2fc8-673f-4132-a158-8bc180185574/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound50.i[950,963] [2023-12-03 02:41:39,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:41:39,495 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:41:39,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39 WrapperNode [2023-12-03 02:41:39,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:41:39,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:39,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:41:39,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:41:39,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,524 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-12-03 02:41:39,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:41:39,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:41:39,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:41:39,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:41:39,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,539 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:41:39,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:41:39,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:41:39,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:41:39,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:41:39,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:41:39,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:41:39,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45eb2fc8-673f-4132-a158-8bc180185574/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:41:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:41:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 02:41:39,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 02:41:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:41:39,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:41:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:41:39,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:41:39,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:41:39,679 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:41:39,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:41:39,814 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:41:39,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:41:39,862 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 02:41:39,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:39 BoogieIcfgContainer [2023-12-03 02:41:39,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:41:39,865 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:41:39,865 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:41:39,876 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:41:39,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:39" (1/1) ... [2023-12-03 02:41:39,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:41:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-12-03 02:41:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-12-03 02:41:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:41:39,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:39,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:41:40,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 02:41:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 02:41:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:41:40,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:41:40,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:40,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:40,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:40,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-12-03 02:41:40,529 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-12-03 02:41:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:41:40,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:40,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:41:40,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:42,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2023-12-03 02:41:42,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2023-12-03 02:41:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:41:42,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:42,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:42,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:42,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:41:42,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:42,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2023-12-03 02:41:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2023-12-03 02:41:43,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:41:43,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:43,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:43,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:41:43,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2023-12-03 02:41:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-12-03 02:41:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:41:43,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:43,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:41:43,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:41:45,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 78 transitions. [2023-12-03 02:41:45,350 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-12-03 02:41:45,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:41:45,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:45,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:41:45,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:46,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 86 transitions. [2023-12-03 02:41:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-12-03 02:41:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:41:46,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:46,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:46,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:41:46,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 94 transitions. [2023-12-03 02:41:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2023-12-03 02:41:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:41:47,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:47,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:47,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:41:47,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:41:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 101 transitions. [2023-12-03 02:41:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2023-12-03 02:41:49,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 02:41:49,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:49,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:49,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:41:49,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:49,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 100 transitions. [2023-12-03 02:41:49,492 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2023-12-03 02:41:49,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:41:49,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:49,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:49,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:49,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 58 states and 107 transitions. [2023-12-03 02:41:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 107 transitions. [2023-12-03 02:41:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 02:41:50,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:50,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:50,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:41:50,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 115 transitions. [2023-12-03 02:41:51,061 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-12-03 02:41:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:41:51,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:51,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:51,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 02:41:51,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:51,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:41:54,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:54,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 133 transitions. [2023-12-03 02:41:54,877 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 133 transitions. [2023-12-03 02:41:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:41:54,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:41:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:55,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-03 02:41:55,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:42:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 68 states and 146 transitions. [2023-12-03 02:42:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-12-03 02:42:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 02:42:05,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:05,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:05,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:42:05,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:42:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 74 states and 163 transitions. [2023-12-03 02:42:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2023-12-03 02:42:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:42:07,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:07,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:07,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:42:07,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:42:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 191 transitions. [2023-12-03 02:42:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 191 transitions. [2023-12-03 02:42:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:42:11,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:11,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:11,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:42:11,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:42:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 84 states and 210 transitions. [2023-12-03 02:42:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 210 transitions. [2023-12-03 02:42:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:42:13,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:13,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:42:13,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:42:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 85 states and 215 transitions. [2023-12-03 02:42:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2023-12-03 02:42:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:42:14,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:14,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:42:14,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:42:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 86 states and 218 transitions. [2023-12-03 02:42:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 218 transitions. [2023-12-03 02:42:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:42:15,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:15,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:42:15,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:15,868 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:42:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 88 states and 225 transitions. [2023-12-03 02:42:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 225 transitions. [2023-12-03 02:42:16,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:42:16,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:16,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:17,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:42:17,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 02:42:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 90 states and 226 transitions. [2023-12-03 02:42:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 226 transitions. [2023-12-03 02:42:17,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:42:17,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:17,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:17,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:42:17,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:18,023 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 02:42:18,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 92 states and 227 transitions. [2023-12-03 02:42:18,822 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 227 transitions. [2023-12-03 02:42:18,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 02:42:18,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:19,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:42:19,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 02:42:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 94 states and 228 transitions. [2023-12-03 02:42:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 228 transitions. [2023-12-03 02:42:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:42:20,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:20,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:42:20,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:42:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 102 states and 259 transitions. [2023-12-03 02:42:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 259 transitions. [2023-12-03 02:42:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:42:36,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:36,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:36,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:42:36,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:42:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 102 states and 257 transitions. [2023-12-03 02:42:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 257 transitions. [2023-12-03 02:42:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:42:39,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:39,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:41,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:42:41,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:42:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 105 states and 266 transitions. [2023-12-03 02:42:53,895 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 266 transitions. [2023-12-03 02:42:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:42:53,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:53,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:42:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:54,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 02:42:54,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:43:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 108 states and 272 transitions. [2023-12-03 02:43:09,052 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 272 transitions. [2023-12-03 02:43:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:43:09,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:09,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:09,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:09,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 111 states and 297 transitions. [2023-12-03 02:43:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 297 transitions. [2023-12-03 02:43:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 02:43:12,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:12,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:12,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:12,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:43:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 112 states and 300 transitions. [2023-12-03 02:43:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 300 transitions. [2023-12-03 02:43:13,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 02:43:13,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:13,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:14,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:43:14,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-03 02:43:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 301 transitions. [2023-12-03 02:43:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 301 transitions. [2023-12-03 02:43:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:43:17,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:17,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:43:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:17,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:43:17,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:26,047 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:44:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 119 states and 322 transitions. [2023-12-03 02:44:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 322 transitions. [2023-12-03 02:44:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:44:00,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:00,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:00,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-03 02:44:00,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:45:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 327 transitions. [2023-12-03 02:45:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 327 transitions. [2023-12-03 02:45:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 02:45:36,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:36,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:36,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-03 02:45:36,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:27,215 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 02:52:48,204 WARN L293 SmtUtils]: Spent 11.33s on a formula simplification. DAG size of input: 31 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 02:52:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:56:39,661 WARN L293 SmtUtils]: Spent 20.84s on a formula simplification. DAG size of input: 36 DAG size of output: 35 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)