./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL --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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:52:39,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:52:39,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:52:39,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:52:39,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:52:39,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:52:39,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:52:39,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:52:39,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:52:39,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:52:39,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:52:39,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:52:39,883 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:52:39,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:52:39,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:52:39,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:52:39,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:52:39,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:52:39,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:52:39,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:52:39,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:52:39,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:52:39,892 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:52:39,892 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:52:39,893 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:52:39,893 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:52:39,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:39,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:52:39,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:52:39,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:52:39,900 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:52:39,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:52:39,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:52:39,901 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_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2023-11-19 02:52:40,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:52:40,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:52:40,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:52:40,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:52:40,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:52:40,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2023-11-19 02:52:43,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:52:43,567 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:52:43,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2023-11-19 02:52:43,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/data/49c405506/2c902950b66f4419bf6850a92d8c9e7d/FLAG4c31b9516 [2023-11-19 02:52:43,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/data/49c405506/2c902950b66f4419bf6850a92d8c9e7d [2023-11-19 02:52:43,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:52:43,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:52:43,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:43,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:52:43,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:52:43,602 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a67ddee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43, skipping insertion in model container [2023-11-19 02:52:43,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,630 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:52:43,842 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_331013e1-e105-4ade-8621-c3c968b68157/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2023-11-19 02:52:43,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:43,880 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:43,898 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_331013e1-e105-4ade-8621-c3c968b68157/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c[458,471] [2023-11-19 02:52:43,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:43,936 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:43,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43 WrapperNode [2023-11-19 02:52:43,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:43,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:43,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:43,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:43,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,982 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-19 02:52:43,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:43,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:43,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:43,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:43,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:43,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:44,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:44,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:44,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:44,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:43" (1/1) ... [2023-11-19 02:52:44,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:44,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:44,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_331013e1-e105-4ade-8621-c3c968b68157/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:44,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:52:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:44,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:44,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:52:44,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:52:44,179 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:44,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:44,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:44,401 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:44,401 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:44,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44 BoogieIcfgContainer [2023-11-19 02:52:44,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:44,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:44,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:44,417 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:44,417 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:44" (1/1) ... [2023-11-19 02:52:44,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 02:52:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 02:52:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:52:44,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:44,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:44,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:52:44,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 02:52:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 02:52:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:52:44,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:44,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:44,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:52:44,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-19 02:52:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-19 02:52:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:52:45,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:45,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:52:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-19 02:52:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-19 02:52:45,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:52:45,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:52:45,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:52:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2023-11-19 02:52:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2023-11-19 02:52:45,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:52:45,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:45,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:45,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:52:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2023-11-19 02:52:46,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2023-11-19 02:52:46,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:52:46,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:52:46,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:52:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 02:52:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 02:52:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:52:46,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:46,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:46,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:46,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:46,932 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:52:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2023-11-19 02:52:47,382 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2023-11-19 02:52:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:52:47,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:47,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:47,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:52:47,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:52:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-19 02:52:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-19 02:52:48,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:52:48,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:52:48,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:52:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2023-11-19 02:52:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2023-11-19 02:52:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:52:48,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:48,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:48,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:48,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 02:52:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:49,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2023-11-19 02:52:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2023-11-19 02:52:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:52:49,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:49,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:49,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:52:49,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:52:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2023-11-19 02:52:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2023-11-19 02:52:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:52:50,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:50,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:52:50,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:50,564 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:52:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2023-11-19 02:52:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2023-11-19 02:52:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:52:50,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:51,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-19 02:52:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2023-11-19 02:52:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 02:52:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:52:51,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:51,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:51,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:52:51,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:51,639 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:52:52,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:52,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 68 states and 132 transitions. [2023-11-19 02:52:52,873 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 132 transitions. [2023-11-19 02:52:52,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:52:52,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:52,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:52,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:52:52,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:52:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2023-11-19 02:52:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2023-11-19 02:52:54,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:52:54,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:54,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:54,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:52:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 140 transitions. [2023-11-19 02:52:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2023-11-19 02:52:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:52:54,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:54,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:54,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 02:52:54,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 31 proven. 50 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:52:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2023-11-19 02:52:56,695 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2023-11-19 02:52:56,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:52:56,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:56,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:56,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 02:52:56,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 80 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:52:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2023-11-19 02:52:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2023-11-19 02:52:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:52:57,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:57,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:57,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:52:57,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:57,617 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-11-19 02:52:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2023-11-19 02:52:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2023-11-19 02:52:57,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:52:57,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:52:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:58,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:52:58,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:52:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:53:00,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2023-11-19 02:53:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2023-11-19 02:53:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:53:00,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:00,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:00,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:53:00,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:53:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2023-11-19 02:53:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2023-11-19 02:53:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:53:01,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:01,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 02:53:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2023-11-19 02:53:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2023-11-19 02:53:01,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 02:53:01,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:01,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:53:01,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:53:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2023-11-19 02:53:04,043 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2023-11-19 02:53:04,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:53:04,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:04,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:04,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:53:04,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 33 proven. 104 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:53:05,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2023-11-19 02:53:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2023-11-19 02:53:05,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:05,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:05,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:05,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:05,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2023-11-19 02:53:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2023-11-19 02:53:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2023-11-19 02:53:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 02:53:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:05,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:05,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 02:53:05,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 66 proven. 114 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 02:53:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 112 states and 224 transitions. [2023-11-19 02:53:08,883 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 224 transitions. [2023-11-19 02:53:08,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:53:08,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:08,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:08,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:53:08,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 27 proven. 171 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-19 02:53:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 115 states and 230 transitions. [2023-11-19 02:53:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2023-11-19 02:53:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:53:10,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:10,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2023-11-19 02:53:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2023-11-19 02:53:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2023-11-19 02:53:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:53:10,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:10,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 68 conjunts are in the unsatisfiable core [2023-11-19 02:53:10,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 56 proven. 162 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-19 02:53:13,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 123 states and 247 transitions. [2023-11-19 02:53:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 247 transitions. [2023-11-19 02:53:13,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:53:13,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:13,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-19 02:53:13,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 36 proven. 187 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-19 02:53:15,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:15,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 126 states and 253 transitions. [2023-11-19 02:53:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 253 transitions. [2023-11-19 02:53:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:53:15,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:15,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:15,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:15,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 57 proven. 4 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-19 02:53:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 127 states and 255 transitions. [2023-11-19 02:53:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 255 transitions. [2023-11-19 02:53:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-19 02:53:15,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:15,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:15,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-19 02:53:15,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 22 proven. 165 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 02:53:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:19,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 134 states and 270 transitions. [2023-11-19 02:53:19,382 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 270 transitions. [2023-11-19 02:53:19,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:53:19,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:19,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:19,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-19 02:53:19,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:19,697 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 58 proven. 223 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-19 02:53:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 137 states and 276 transitions. [2023-11-19 02:53:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 276 transitions. [2023-11-19 02:53:20,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:53:20,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:20,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:20,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 63 proven. 4 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-19 02:53:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 138 states and 278 transitions. [2023-11-19 02:53:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 278 transitions. [2023-11-19 02:53:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 02:53:21,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:21,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 02:53:21,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:22,089 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 24 proven. 198 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 02:53:24,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 145 states and 293 transitions. [2023-11-19 02:53:24,911 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 293 transitions. [2023-11-19 02:53:24,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:53:24,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:24,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 02:53:24,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 76 proven. 230 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 02:53:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 148 states and 299 transitions. [2023-11-19 02:53:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 299 transitions. [2023-11-19 02:53:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 02:53:26,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2023-11-19 02:53:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 149 states and 301 transitions. [2023-11-19 02:53:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 301 transitions. [2023-11-19 02:53:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 02:53:27,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:27,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:27,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-19 02:53:27,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 26 proven. 234 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 02:53:31,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 156 states and 316 transitions. [2023-11-19 02:53:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 316 transitions. [2023-11-19 02:53:31,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:53:31,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:31,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:31,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-19 02:53:31,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 121 proven. 273 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2023-11-19 02:53:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 322 transitions. [2023-11-19 02:53:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 322 transitions. [2023-11-19 02:53:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 02:53:33,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2023-11-19 02:53:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 160 states and 324 transitions. [2023-11-19 02:53:33,808 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 324 transitions. [2023-11-19 02:53:33,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 02:53:33,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 72 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 98 proven. 275 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked.