./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2 --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 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:52,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:52,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:52,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:52,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:52,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:52,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:52,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:52,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:53,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:53,004 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:53,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:53,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:53,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:53,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:53,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:53,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:53,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:53,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:53,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:53,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:53,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:53,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:53,010 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:53,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:53,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:53,012 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:53,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:53,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:53,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:53,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:53,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:53,015 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:53,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:53,015 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:53,015 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_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c3a02723ba5c1d451bdbd3459a030afd92ce200d85c0df9c54e7e40eb695af7 [2023-11-21 18:49:53,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:53,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:53,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:53,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:53,427 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:53,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-21 18:49:56,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:56,703 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:56,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound20.c [2023-11-21 18:49:56,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/data/94b5e8609/575c83a12c5e4c00a5053ce052b3f503/FLAGdc025f817 [2023-11-21 18:49:56,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/data/94b5e8609/575c83a12c5e4c00a5053ce052b3f503 [2023-11-21 18:49:56,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:56,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:56,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:56,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:56,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:56,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:56" (1/1) ... [2023-11-21 18:49:56,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4f6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:56, skipping insertion in model container [2023-11-21 18:49:56,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:56" (1/1) ... [2023-11-21 18:49:56,764 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:56,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:56,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:57,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:57,020 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:57,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57 WrapperNode [2023-11-21 18:49:57,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:57,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:57,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:57,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:57,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,062 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-21 18:49:57,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:57,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:57,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:57,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:57,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:57,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:57,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:57,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:57,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:57,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:57,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:57,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90920db2-996b-456c-9edc-d38aaed86fe5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:57,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:57,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:49:57,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:49:57,259 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:57,261 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:57,617 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:57,713 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:57,713 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:49:57,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:57 BoogieIcfgContainer [2023-11-21 18:49:57,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:57,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:57,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:57,738 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:57,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:57" (1/1) ... [2023-11-21 18:49:57,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-21 18:49:57,832 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-21 18:49:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:49:57,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:57,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:49:58,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-21 18:49:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-21 18:49:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:49:58,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:49:58,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-21 18:49:58,629 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-21 18:49:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:49:58,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:49:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-21 18:49:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-21 18:49:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:59,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:59,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:49:59,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:49:59,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-21 18:49:59,977 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-21 18:49:59,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:49:59,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:59,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:00,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:00,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:00,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 86 transitions. [2023-11-21 18:50:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-21 18:50:00,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:50:00,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:00,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:00,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:00,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 86 states and 93 transitions. [2023-11-21 18:50:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2023-11-21 18:50:01,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:50:01,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:01,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:01,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:01,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:03,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:03,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 92 states and 103 transitions. [2023-11-21 18:50:03,201 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2023-11-21 18:50:03,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:03,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:03,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:03,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 115 transitions. [2023-11-21 18:50:04,647 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2023-11-21 18:50:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:50:04,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:04,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:04,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:04,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 107 states and 129 transitions. [2023-11-21 18:50:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2023-11-21 18:50:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:50:06,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:06,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:06,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 116 states and 144 transitions. [2023-11-21 18:50:13,099 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2023-11-21 18:50:13,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:50:13,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 126 states and 155 transitions. [2023-11-21 18:50:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions. [2023-11-21 18:50:16,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:50:16,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 137 states and 168 transitions. [2023-11-21 18:50:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 168 transitions. [2023-11-21 18:50:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:18,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 140 states and 173 transitions. [2023-11-21 18:50:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2023-11-21 18:50:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:18,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 154 states and 193 transitions. [2023-11-21 18:50:20,543 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 193 transitions. [2023-11-21 18:50:20,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:20,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 158 states and 200 transitions. [2023-11-21 18:50:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2023-11-21 18:50:21,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:50:21,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 173 states and 222 transitions. [2023-11-21 18:50:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 222 transitions. [2023-11-21 18:50:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:50:23,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 179 states and 233 transitions. [2023-11-21 18:50:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2023-11-21 18:50:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:50:25,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:25,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:27,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 182 states and 237 transitions. [2023-11-21 18:50:27,493 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 237 transitions. [2023-11-21 18:50:27,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:27,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:27,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 188 states and 247 transitions. [2023-11-21 18:50:29,196 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 247 transitions. [2023-11-21 18:50:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:50:29,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:29,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 192 states and 252 transitions. [2023-11-21 18:50:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2023-11-21 18:50:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:29,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:29,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:30,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:33,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 199 states and 263 transitions. [2023-11-21 18:50:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 263 transitions. [2023-11-21 18:50:33,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:33,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:33,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:35,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:35,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 206 states and 277 transitions. [2023-11-21 18:50:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 277 transitions. [2023-11-21 18:50:35,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:35,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:35,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:35,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:35,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 214 states and 290 transitions. [2023-11-21 18:50:38,910 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2023-11-21 18:50:38,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:50:38,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:38,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:38,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:50:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 223 states and 306 transitions. [2023-11-21 18:50:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 306 transitions. [2023-11-21 18:50:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:45,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 231 states and 318 transitions. [2023-11-21 18:50:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 318 transitions. [2023-11-21 18:50:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:52,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.