./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps6-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/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_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps6-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/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_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/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 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:06,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:06,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:53:06,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:06,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:06,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:06,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:06,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:06,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:06,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:06,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:06,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:06,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:53:06,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:06,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:53:06,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:06,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:06,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:06,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:06,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:53:06,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:06,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:06,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:06,545 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:06,546 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:06,547 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:06,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:06,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:06,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:06,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:06,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:06,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:06,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:06,550 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_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07abfb6a25bc8999c03b9e73c88de3af15c2169770f93c7bfb47efae6a8a30d3 [2023-11-19 02:53:06,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:06,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:06,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:06,933 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:06,933 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:06,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/ps6-ll.c [2023-11-19 02:53:10,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:10,308 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:10,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/sv-benchmarks/c/nla-digbench/ps6-ll.c [2023-11-19 02:53:10,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/data/102d79cb4/db7f93cde4bb4da48c21c19dbdb34aae/FLAG1f7deab56 [2023-11-19 02:53:10,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/data/102d79cb4/db7f93cde4bb4da48c21c19dbdb34aae [2023-11-19 02:53:10,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:10,346 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:10,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:10,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:10,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:10,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4354cc82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10, skipping insertion in model container [2023-11-19 02:53:10,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:10,553 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_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2023-11-19 02:53:10,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:10,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:53:10,597 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_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/sv-benchmarks/c/nla-digbench/ps6-ll.c[458,471] [2023-11-19 02:53:10,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:53:10,621 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:53:10,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10 WrapperNode [2023-11-19 02:53:10,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:10,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:10,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:53:10,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:53:10,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,659 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2023-11-19 02:53:10,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:53:10,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:53:10,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:53:10,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:53:10,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,681 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:53:10,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:53:10,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:53:10,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:53:10,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:10" (1/1) ... [2023-11-19 02:53:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:53:10,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:53:10,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2a2dae6-a6ed-452b-a6fc-1359ddcabb5f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:53:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:53:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:53:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:53:10,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:53:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:53:10,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:53:10,845 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:53:10,849 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:53:11,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:53:11,133 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:53:11,137 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:53:11,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:11 BoogieIcfgContainer [2023-11-19 02:53:11,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:53:11,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:53:11,144 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:53:11,154 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:53:11,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:53:11" (1/1) ... [2023-11-19 02:53:11,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:53:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:11,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 02:53:11,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 02:53:11,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:53:11,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:11,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:11,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:53:11,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:11,511 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 02:53:11,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2023-11-19 02:53:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2023-11-19 02:53:11,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:53:11,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:11,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:11,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:11,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:53:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 02:53:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 02:53:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:53:12,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:12,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:53:12,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:12,432 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 02:53:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 02:53:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 02:53:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:53:12,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:12,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:53:12,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:12,801 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 02:53:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2023-11-19 02:53:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2023-11-19 02:53:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:53:12,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:12,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:12,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:53:12,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:53:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-11-19 02:53:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-11-19 02:53:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:53:13,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:13,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:13,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:53:13,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:53:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2023-11-19 02:53:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2023-11-19 02:53:14,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:53:14,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:53:14,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:14,416 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 02:53:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:14,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2023-11-19 02:53:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2023-11-19 02:53:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:53:14,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:14,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:14,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:53:14,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:53:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-11-19 02:53:15,911 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-11-19 02:53:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:53:15,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:16,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:53:16,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:53:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:16,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2023-11-19 02:53:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2023-11-19 02:53:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:53:16,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:16,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:53:16,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:17,137 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:53:18,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 107 transitions. [2023-11-19 02:53:18,264 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 107 transitions. [2023-11-19 02:53:18,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:53:18,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:18,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:19,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:53:19,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 18 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:53:20,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:20,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2023-11-19 02:53:20,396 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2023-11-19 02:53:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:53:20,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:20,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:20,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 02:53:20,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:53:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2023-11-19 02:53:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2023-11-19 02:53:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:53:22,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:22,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:22,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:53:22,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 17 proven. 67 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 02:53:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2023-11-19 02:53:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2023-11-19 02:53:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:53:22,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:22,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:53:22,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:53:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 82 states and 149 transitions. [2023-11-19 02:53:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 149 transitions. [2023-11-19 02:53:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:53:24,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:24,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:25,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:53:25,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 27 proven. 94 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 02:53:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:26,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 85 states and 154 transitions. [2023-11-19 02:53:26,674 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 154 transitions. [2023-11-19 02:53:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:53:26,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:26,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:26,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-19 02:53:26,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:27,225 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 38 proven. 77 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 02:53:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:28,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 93 states and 170 transitions. [2023-11-19 02:53:28,653 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 170 transitions. [2023-11-19 02:53:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:53:28,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:28,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:29,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 02:53:29,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 50 proven. 102 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 02:53:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 96 states and 175 transitions. [2023-11-19 02:53:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 175 transitions. [2023-11-19 02:53:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 02:53:30,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:30,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:30,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 02:53:30,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:30,821 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 02:53:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 104 states and 191 transitions. [2023-11-19 02:53:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 191 transitions. [2023-11-19 02:53:32,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:53:32,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:32,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:32,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 02:53:32,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 59 proven. 145 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:53:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 107 states and 196 transitions. [2023-11-19 02:53:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-11-19 02:53:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:53:33,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:33,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 02:53:33,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 20 proven. 108 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 02:53:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 115 states and 212 transitions. [2023-11-19 02:53:36,268 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 212 transitions. [2023-11-19 02:53:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:53:36,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:36,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:37,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-19 02:53:37,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 56 proven. 191 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-11-19 02:53:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2023-11-19 02:53:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2023-11-19 02:53:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:53:38,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:38,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:38,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 02:53:38,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 22 proven. 135 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 02:53:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 126 states and 233 transitions. [2023-11-19 02:53:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 233 transitions. [2023-11-19 02:53:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:53:41,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:41,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:41,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-19 02:53:41,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 90 proven. 203 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-19 02:53:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:43,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 129 states and 238 transitions. [2023-11-19 02:53:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 238 transitions. [2023-11-19 02:53:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:53:43,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:43,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:43,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-19 02:53:43,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 96 proven. 201 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 02:53:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 254 transitions. [2023-11-19 02:53:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2023-11-19 02:53:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:53:46,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:52,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 70 conjunts are in the unsatisfiable core [2023-11-19 02:53:52,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 84 proven. 243 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-11-19 02:53:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 140 states and 259 transitions. [2023-11-19 02:53:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 259 transitions. [2023-11-19 02:53:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 02:53:53,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:53,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:53:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:53:53,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 02:53:53,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:53:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 26 proven. 198 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 02:53:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:53:57,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 148 states and 275 transitions. [2023-11-19 02:53:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2023-11-19 02:53:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 02:53:57,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:53:57,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-19 02:54:02,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 84 proven. 268 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-19 02:54:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 151 states and 280 transitions. [2023-11-19 02:54:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 280 transitions. [2023-11-19 02:54:04,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 02:54:04,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:04,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:04,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 66 conjunts are in the unsatisfiable core [2023-11-19 02:54:04,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:05,009 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 27 proven. 274 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.