./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL --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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:05,632 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:05,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:55:05,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:05,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:05,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:05,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:05,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:05,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:05,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:05,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:05,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:05,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:55:05,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:05,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:55:05,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:05,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:05,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:05,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:05,805 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:05,805 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:05,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:55:05,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:05,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:05,807 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:05,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:05,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:05,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:05,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:05,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:05,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:05,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:05,812 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:05,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:05,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:05,813 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_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2023-11-19 02:55:06,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:06,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:06,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:06,142 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:06,142 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:06,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-11-19 02:55:09,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:09,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:09,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2023-11-19 02:55:09,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/data/07c195fbf/0da577a280db4edfaaeed8bc84f6171d/FLAG9815dea88 [2023-11-19 02:55:09,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/data/07c195fbf/0da577a280db4edfaaeed8bc84f6171d [2023-11-19 02:55:09,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:09,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:09,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:09,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:09,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:09,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:09,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@687942b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09, skipping insertion in model container [2023-11-19 02:55:09,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:09,602 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:09,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:09,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:09,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:09,928 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:09,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09 WrapperNode [2023-11-19 02:55:09,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:09,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:09,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:09,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:09,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:09,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:09,999 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 02:55:10,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:10,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:10,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:10,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:10,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:10,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:10,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:10,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:10,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:09" (1/1) ... [2023-11-19 02:55:10,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:10,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:10,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfeab277-2070-4454-b982-68ef2fe8d96f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:55:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:55:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:10,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:10,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:10,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:55:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:55:10,210 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:10,212 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:10,596 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:10,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:10,642 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:55:10,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:10 BoogieIcfgContainer [2023-11-19 02:55:10,648 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:10,649 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:10,649 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:10,660 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:10,660 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:10" (1/1) ... [2023-11-19 02:55:10,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2023-11-19 02:55:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2023-11-19 02:55:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:55:10,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:10,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:10,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:55:10,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 117 transitions. [2023-11-19 02:55:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2023-11-19 02:55:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:55:11,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:11,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:11,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:55:11,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 109 states and 125 transitions. [2023-11-19 02:55:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2023-11-19 02:55:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:55:12,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:55:12,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:55:12,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 134 transitions. [2023-11-19 02:55:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-19 02:55:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:55:12,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:12,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:55:12,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:12,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:12,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 118 states and 143 transitions. [2023-11-19 02:55:12,958 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions. [2023-11-19 02:55:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:55:12,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:12,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 154 transitions. [2023-11-19 02:55:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-11-19 02:55:13,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:13,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:14,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:14,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:14,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 131 states and 167 transitions. [2023-11-19 02:55:14,902 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 167 transitions. [2023-11-19 02:55:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:55:14,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:14,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:14,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:55:14,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:15,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:15,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 139 states and 182 transitions. [2023-11-19 02:55:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-19 02:55:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:55:15,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:15,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:15,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:55:15,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 140 states and 183 transitions. [2023-11-19 02:55:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-19 02:55:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:55:16,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:16,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 143 states and 188 transitions. [2023-11-19 02:55:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2023-11-19 02:55:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:55:16,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:16,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 142 states and 187 transitions. [2023-11-19 02:55:16,702 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2023-11-19 02:55:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:55:16,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:16,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:16,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:16,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:18,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 150 states and 203 transitions. [2023-11-19 02:55:18,541 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2023-11-19 02:55:18,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:18,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:18,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:18,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:18,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 149 states and 202 transitions. [2023-11-19 02:55:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 202 transitions. [2023-11-19 02:55:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:55:18,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:18,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:18,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:18,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:18,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 158 states and 220 transitions. [2023-11-19 02:55:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-11-19 02:55:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:20,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:20,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:21,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 224 transitions. [2023-11-19 02:55:21,099 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-19 02:55:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:21,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 160 states and 223 transitions. [2023-11-19 02:55:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 223 transitions. [2023-11-19 02:55:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:21,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 227 transitions. [2023-11-19 02:55:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2023-11-19 02:55:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:55:21,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:21,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:21,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:21,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:25,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 173 states and 247 transitions. [2023-11-19 02:55:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-19 02:55:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:25,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:25,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:25,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:55:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 178 states and 257 transitions. [2023-11-19 02:55:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 257 transitions. [2023-11-19 02:55:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:35,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:35,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:35,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:35,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:35,974 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 181 states and 261 transitions. [2023-11-19 02:55:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 261 transitions. [2023-11-19 02:55:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:36,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:36,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:36,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 192 states and 284 transitions. [2023-11-19 02:55:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-19 02:55:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:40,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:40,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:40,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:45,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 204 states and 307 transitions. [2023-11-19 02:55:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 307 transitions. [2023-11-19 02:55:45,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:55:45,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:45,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:45,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:45,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:45,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:46,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 208 states and 314 transitions. [2023-11-19 02:55:46,537 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 314 transitions. [2023-11-19 02:55:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:46,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:46,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:46,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:46,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:46,980 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:55:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 207 states and 313 transitions. [2023-11-19 02:55:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 313 transitions. [2023-11-19 02:55:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:50,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:50,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:50,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:50,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 211 states and 320 transitions. [2023-11-19 02:55:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 320 transitions. [2023-11-19 02:55:50,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:50,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:50,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:50,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 215 states and 327 transitions. [2023-11-19 02:55:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 327 transitions. [2023-11-19 02:55:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:52,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:52,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:52,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:55:52,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:52,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 219 states and 333 transitions. [2023-11-19 02:55:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 333 transitions. [2023-11-19 02:55:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:55:54,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:54,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:54,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:54,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 224 states and 343 transitions. [2023-11-19 02:55:56,696 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 343 transitions. [2023-11-19 02:55:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:56,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:56,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:56,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:56,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 228 states and 349 transitions. [2023-11-19 02:55:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 349 transitions. [2023-11-19 02:55:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:57,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:57,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:57,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:57,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:59,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 232 states and 355 transitions. [2023-11-19 02:55:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 355 transitions. [2023-11-19 02:55:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:55:59,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:59,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:55:59,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:56:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 244 states and 376 transitions. [2023-11-19 02:56:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 376 transitions. [2023-11-19 02:56:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:56:03,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:03,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:03,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:56:03,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.