./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/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 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:55,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:55,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:41:55,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:55,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:55,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:55,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:55,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:55,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:55,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:55,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:55,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:55,705 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:41:55,706 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:55,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:41:55,707 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:55,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:55,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:55,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:55,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:41:55,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:55,712 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:55,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:55,713 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:55,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:55,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:55,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:55,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:55,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:55,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:55,717 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:55,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:55,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:55,719 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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 [2023-11-19 03:41:56,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:56,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:56,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:56,201 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:56,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:56,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2023-11-19 03:41:59,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:42:00,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:42:00,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2023-11-19 03:42:00,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/data/4159e9976/69b45c470155456ca980b581c05dcba5/FLAG1fd971464 [2023-11-19 03:42:00,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/data/4159e9976/69b45c470155456ca980b581c05dcba5 [2023-11-19 03:42:00,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:42:00,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:42:00,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:00,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:42:00,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:42:00,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285a6ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00, skipping insertion in model container [2023-11-19 03:42:00,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:42:00,546 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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2023-11-19 03:42:00,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:00,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:42:00,588 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_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2023-11-19 03:42:00,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:42:00,609 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:42:00,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00 WrapperNode [2023-11-19 03:42:00,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:42:00,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:00,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:42:00,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:42:00,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,646 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2023-11-19 03:42:00,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:42:00,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:42:00,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:42:00,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:42:00,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,674 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:42:00,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:42:00,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:42:00,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:42:00,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:42:00" (1/1) ... [2023-11-19 03:42:00,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:42:00,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:42:00,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:42:00,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_063e006a-77a3-4f9c-a4b2-fa8f0549d5a2/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:42:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:42:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:42:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:42:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:42:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:42:00,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:42:00,847 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:42:00,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:42:01,056 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:42:01,104 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:42:01,105 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:42:01,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:01 BoogieIcfgContainer [2023-11-19 03:42:01,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:42:01,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:42:01,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:42:01,123 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:42:01,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:42:01" (1/1) ... [2023-11-19 03:42:01,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:42:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:01,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-19 03:42:01,216 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-19 03:42:01,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:42:01,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:01,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:42:01,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:01,421 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 03:42:01,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:01,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:42:01,443 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:42:01,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:42:01,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:42:01,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:01,573 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 03:42:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:42:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:42:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:42:01,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:01,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:01,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:42:01,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:01,758 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 03:42:02,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-19 03:42:02,063 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-19 03:42:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:42:02,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:02,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:02,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:02,333 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 03:42:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 03:42:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 03:42:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:42:02,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:02,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:02,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:42:02,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:02,820 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 03:42:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 03:42:04,104 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 03:42:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:42:04,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:04,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:04,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:04,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 03:42:05,566 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:42:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:42:05,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:05,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:05,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:05,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:06,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2023-11-19 03:42:06,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-19 03:42:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:42:06,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:06,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:06,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:42:06,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:07,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:07,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2023-11-19 03:42:07,564 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2023-11-19 03:42:07,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:42:07,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:07,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:07,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:42:07,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2023-11-19 03:42:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2023-11-19 03:42:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:42:08,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:08,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:08,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:42:08,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:10,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2023-11-19 03:42:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2023-11-19 03:42:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:42:10,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:10,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:10,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:42:10,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:42:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2023-11-19 03:42:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2023-11-19 03:42:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:42:11,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:11,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:42:11,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:12,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2023-11-19 03:42:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2023-11-19 03:42:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:12,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:12,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:42:12,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 135 transitions. [2023-11-19 03:42:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 135 transitions. [2023-11-19 03:42:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:15,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:15,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:15,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:42:15,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:16,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 68 states and 151 transitions. [2023-11-19 03:42:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 151 transitions. [2023-11-19 03:42:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:16,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:16,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:16,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:42:16,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:17,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 68 states and 150 transitions. [2023-11-19 03:42:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2023-11-19 03:42:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:17,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:17,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:17,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:42:17,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:18,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 71 states and 153 transitions. [2023-11-19 03:42:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 153 transitions. [2023-11-19 03:42:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:18,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:18,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:42:18,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 71 states and 152 transitions. [2023-11-19 03:42:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 152 transitions. [2023-11-19 03:42:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:19,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:19,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:19,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:42:19,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:19,280 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 156 transitions. [2023-11-19 03:42:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 156 transitions. [2023-11-19 03:42:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:42:20,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:20,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:20,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:42:20,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:42:21,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2023-11-19 03:42:21,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2023-11-19 03:42:21,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:21,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:21,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:21,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2023-11-19 03:42:24,948 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2023-11-19 03:42:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:24,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:24,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:25,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:25,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 88 states and 210 transitions. [2023-11-19 03:42:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 210 transitions. [2023-11-19 03:42:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:27,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:27,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:27,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:27,445 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2023-11-19 03:42:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2023-11-19 03:42:27,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:27,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:27,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:27,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:27,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:28,084 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 91 states and 212 transitions. [2023-11-19 03:42:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 212 transitions. [2023-11-19 03:42:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:29,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:29,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:29,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:29,495 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 94 states and 215 transitions. [2023-11-19 03:42:30,987 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 215 transitions. [2023-11-19 03:42:30,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:30,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:30,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:31,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:31,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 94 states and 214 transitions. [2023-11-19 03:42:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 214 transitions. [2023-11-19 03:42:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:31,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:31,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:31,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:31,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 96 states and 215 transitions. [2023-11-19 03:42:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2023-11-19 03:42:32,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:32,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:32,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:32,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:42:32,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:42:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 99 states and 218 transitions. [2023-11-19 03:42:34,449 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 218 transitions. [2023-11-19 03:42:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:42:34,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:34,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:34,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:42:34,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:34,594 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 99 states and 217 transitions. [2023-11-19 03:42:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 217 transitions. [2023-11-19 03:42:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:35,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:35,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:35,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:42:35,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 107 states and 255 transitions. [2023-11-19 03:42:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 255 transitions. [2023-11-19 03:42:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:38,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:38,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:42:38,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:42:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 111 states and 277 transitions. [2023-11-19 03:42:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 277 transitions. [2023-11-19 03:42:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:41,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:41,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:42:41,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 111 states and 276 transitions. [2023-11-19 03:42:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 276 transitions. [2023-11-19 03:42:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:42,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:42,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:42:42,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:42:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 114 states and 280 transitions. [2023-11-19 03:42:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 280 transitions. [2023-11-19 03:42:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:44,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:44,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:42:44,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:42:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:46,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 116 states and 281 transitions. [2023-11-19 03:42:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 281 transitions. [2023-11-19 03:42:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:46,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:46,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:46,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:42:46,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:42:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:42:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 116 states and 280 transitions. [2023-11-19 03:42:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 280 transitions. [2023-11-19 03:42:47,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:42:47,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:42:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:42:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:42:47,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 03:42:47,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:42:47,428 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.