./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:44,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:44,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:02:44,430 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:44,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:44,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:44,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:44,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:44,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:44,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:44,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:44,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:44,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:44,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:44,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:44,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:44,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:44,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:44,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:44,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:44,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:44,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:44,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:44,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:44,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:44,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:44,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:44,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:44,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:44,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:44,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:44,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:44,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:44,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:44,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:44,503 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_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 464ff86972962e190fa8e3bdd89b592f22b90512739ab3fd4df7709eb39adee3 [2023-11-23 20:02:44,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:44,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:44,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:44,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:44,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:44,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-23 20:02:48,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:48,589 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:48,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound10.c [2023-11-23 20:02:48,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/data/ab862a08a/6dcae032863d448b9f472288ba87f642/FLAGd3594c857 [2023-11-23 20:02:48,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/data/ab862a08a/6dcae032863d448b9f472288ba87f642 [2023-11-23 20:02:48,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:48,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:48,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:48,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:48,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:48,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:48,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f09c2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48, skipping insertion in model container [2023-11-23 20:02:48,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:48,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:48,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:48,915 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:48,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:48,955 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:48,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48 WrapperNode [2023-11-23 20:02:48,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:48,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:48,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:48,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:48,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:48,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,001 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2023-11-23 20:02:49,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:49,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:49,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:49,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:49,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:49,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:49,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:49,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:49,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:48" (1/1) ... [2023-11-23 20:02:49,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:49,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:49,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:49,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e431ea1-7018-464a-8e9d-b9087952eab4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:02:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:02:49,203 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:49,206 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:49,466 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:49,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:49,516 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:02:49,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:49 BoogieIcfgContainer [2023-11-23 20:02:49,518 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:49,519 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:49,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:49,566 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:49,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:49" (1/1) ... [2023-11-23 20:02:49,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:02:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:49,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2023-11-23 20:02:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2023-11-23 20:02:49,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:02:49,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:49,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:49,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2023-11-23 20:02:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2023-11-23 20:02:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:02:49,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:49,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:49,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:49,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2023-11-23 20:02:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2023-11-23 20:02:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:02:49,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:49,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:49,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:49,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:49,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2023-11-23 20:02:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2023-11-23 20:02:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:02:50,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:50,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:50,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:50,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 64 states and 70 transitions. [2023-11-23 20:02:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 70 transitions. [2023-11-23 20:02:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:02:50,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:50,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:50,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:50,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:50,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:02:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:02:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:02:50,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:50,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:50,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:02:50,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:50,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:50,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-11-23 20:02:50,861 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-11-23 20:02:50,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:02:50,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:50,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:50,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:50,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:51,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-23 20:02:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-23 20:02:51,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:02:51,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:51,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:51,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:51,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 79 states and 89 transitions. [2023-11-23 20:02:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2023-11-23 20:02:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:02:51,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:02:51,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:51,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 78 states and 88 transitions. [2023-11-23 20:02:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2023-11-23 20:02:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:02:51,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:51,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:51,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-23 20:02:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-23 20:02:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:02:52,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:52,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:52,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:52,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 94 states and 112 transitions. [2023-11-23 20:02:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 112 transitions. [2023-11-23 20:02:52,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:02:52,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:52,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:52,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 107 states and 131 transitions. [2023-11-23 20:02:53,382 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:02:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:02:53,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:53,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:53,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:53,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:53,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 110 states and 135 transitions. [2023-11-23 20:02:53,877 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 135 transitions. [2023-11-23 20:02:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:02:53,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:53,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:53,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:53,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:54,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 116 states and 148 transitions. [2023-11-23 20:02:54,696 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2023-11-23 20:02:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:02:54,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:54,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:54,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:54,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:55,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 123 states and 161 transitions. [2023-11-23 20:02:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 161 transitions. [2023-11-23 20:02:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:02:55,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:55,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:55,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:55,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 173 transitions. [2023-11-23 20:02:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 173 transitions. [2023-11-23 20:02:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:02:56,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:56,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:56,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:56,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:56,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 128 states and 172 transitions. [2023-11-23 20:02:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 172 transitions. [2023-11-23 20:02:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:02:56,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:56,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:56,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:56,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:57,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 135 states and 184 transitions. [2023-11-23 20:02:57,371 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 184 transitions. [2023-11-23 20:02:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:02:57,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:57,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:57,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:57,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:58,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:58,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 141 states and 194 transitions. [2023-11-23 20:02:58,314 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 194 transitions. [2023-11-23 20:02:58,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:02:58,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:58,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:58,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:02:58,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:02:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:02:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 150 states and 208 transitions. [2023-11-23 20:02:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 208 transitions. [2023-11-23 20:02:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:02:59,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:02:59,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:02:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:02:59,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:02:59,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:02:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:00,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:00,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 149 states and 207 transitions. [2023-11-23 20:03:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 207 transitions. [2023-11-23 20:03:00,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:03:00,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:00,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:00,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:00,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:01,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 157 states and 217 transitions. [2023-11-23 20:03:01,639 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 217 transitions. [2023-11-23 20:03:01,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:03:01,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:01,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:01,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:01,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 161 states and 225 transitions. [2023-11-23 20:03:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 225 transitions. [2023-11-23 20:03:02,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:03:02,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:02,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:02,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 165 states and 228 transitions. [2023-11-23 20:03:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 228 transitions. [2023-11-23 20:03:02,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:03:02,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:02,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:02,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:02,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 170 states and 235 transitions. [2023-11-23 20:03:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 235 transitions. [2023-11-23 20:03:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:03:02,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:02,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:02,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:02,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:03,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 173 states and 238 transitions. [2023-11-23 20:03:03,619 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 238 transitions. [2023-11-23 20:03:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:03:03,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:03,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:03,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:03,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 175 states and 242 transitions. [2023-11-23 20:03:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 242 transitions. [2023-11-23 20:03:04,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:03:04,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:04,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:04,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:03:04,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:03:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 178 states and 249 transitions. [2023-11-23 20:03:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 249 transitions. [2023-11-23 20:03:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:03:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:05,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:05,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:05,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:05,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 192 states and 264 transitions. [2023-11-23 20:03:06,799 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2023-11-23 20:03:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:03:06,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:06,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:06,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:06,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:08,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-11-23 20:03:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-11-23 20:03:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:03:08,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:08,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:08,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:08,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:08,729 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:09,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 209 states and 295 transitions. [2023-11-23 20:03:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 295 transitions. [2023-11-23 20:03:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:03:09,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:09,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:09,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 213 states and 304 transitions. [2023-11-23 20:03:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 304 transitions. [2023-11-23 20:03:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:03:09,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:09,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:09,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-23 20:03:10,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:10,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 311 transitions. [2023-11-23 20:03:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 311 transitions. [2023-11-23 20:03:10,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:03:10,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:10,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:10,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:03:10,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 227 states and 330 transitions. [2023-11-23 20:03:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 330 transitions. [2023-11-23 20:03:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:03:11,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:11,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:03:11,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 233 states and 340 transitions. [2023-11-23 20:03:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 340 transitions. [2023-11-23 20:03:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:03:13,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:13,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:03:13,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:13,318 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 244 states and 359 transitions. [2023-11-23 20:03:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 359 transitions. [2023-11-23 20:03:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:03:14,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:14,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:14,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:03:14,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:15,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 249 states and 369 transitions. [2023-11-23 20:03:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 369 transitions. [2023-11-23 20:03:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:03:15,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:15,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:03:15,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 254 states and 374 transitions. [2023-11-23 20:03:16,625 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 374 transitions. [2023-11-23 20:03:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:03:16,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:16,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:03:16,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:17,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:17,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 259 states and 382 transitions. [2023-11-23 20:03:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 382 transitions. [2023-11-23 20:03:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:03:17,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:17,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:03:17,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:17,788 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 262 states and 392 transitions. [2023-11-23 20:03:18,764 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 392 transitions. [2023-11-23 20:03:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:03:18,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:18,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:18,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:03:18,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:19,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 265 states and 397 transitions. [2023-11-23 20:03:19,904 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 397 transitions. [2023-11-23 20:03:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:03:19,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:19,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:03:19,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:03:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 268 states and 402 transitions. [2023-11-23 20:03:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 402 transitions. [2023-11-23 20:03:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:03:21,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:21,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:21,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:21,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 278 states and 411 transitions. [2023-11-23 20:03:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 411 transitions. [2023-11-23 20:03:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:03:22,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:22,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:22,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:22,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 295 states and 449 transitions. [2023-11-23 20:03:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2023-11-23 20:03:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:03:24,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:24,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:24,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:24,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 20:03:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 295 states and 448 transitions. [2023-11-23 20:03:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 448 transitions. [2023-11-23 20:03:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:03:25,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:25,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:25,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:25,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 302 states and 463 transitions. [2023-11-23 20:03:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 463 transitions. [2023-11-23 20:03:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:03:26,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:26,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:03:26,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:03:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 307 states and 470 transitions. [2023-11-23 20:03:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 470 transitions. [2023-11-23 20:03:27,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:03:27,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:27,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:27,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:03:27,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:28,063 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:29,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:29,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 316 states and 490 transitions. [2023-11-23 20:03:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 490 transitions. [2023-11-23 20:03:29,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:03:29,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:29,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:29,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:03:29,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 325 states and 504 transitions. [2023-11-23 20:03:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 504 transitions. [2023-11-23 20:03:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:03:31,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:31,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:31,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:03:31,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:33,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 336 states and 526 transitions. [2023-11-23 20:03:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 526 transitions. [2023-11-23 20:03:33,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:03:33,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:33,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:33,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:03:33,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 341 states and 537 transitions. [2023-11-23 20:03:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2023-11-23 20:03:34,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:03:34,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:34,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:34,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:03:34,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:03:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:03:36,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:03:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 346 states and 542 transitions. [2023-11-23 20:03:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 542 transitions. [2023-11-23 20:03:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:03:36,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:03:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:03:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:03:36,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:03:36,330 INFO L285 TraceCheckSpWp]: Computing forward predicates...