./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/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_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/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_acaf5f8d-128e-4817-adac-fd212962cd45/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 e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:26,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:26,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:26,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:26,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:26,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:26,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:26,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:26,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:26,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:26,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:26,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:26,533 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:26,535 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:26,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:26,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:26,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:26,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:26,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:26,538 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:26,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:26,539 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:26,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:26,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:26,541 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:26,541 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:26,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:26,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:26,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:26,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:26,545 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:26,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:26,545 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:26,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:26,546 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:26,546 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_acaf5f8d-128e-4817-adac-fd212962cd45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3523bc8254ad35e64aad06fd6e3c84672a9aa19521e18482795d6584edb45d0 [2023-11-21 18:28:26,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:26,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:26,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:26,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:26,951 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:26,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-21 18:28:30,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:30,539 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:30,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound100.c [2023-11-21 18:28:30,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/data/dd8387365/fa5083f85554450189265fbb72ce1c70/FLAG13d6017ec [2023-11-21 18:28:30,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/data/dd8387365/fa5083f85554450189265fbb72ce1c70 [2023-11-21 18:28:30,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:30,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:30,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:30,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:30,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:30,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecf1f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30, skipping insertion in model container [2023-11-21 18:28:30,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:30,826 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:30,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:30,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:30,886 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:30,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30 WrapperNode [2023-11-21 18:28:30,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:30,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:30,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:30,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:30,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,946 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2023-11-21 18:28:30,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:30,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:30,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:30,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:30,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:31,002 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:31,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:31,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:31,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:31,005 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:31,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:31,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:31,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acaf5f8d-128e-4817-adac-fd212962cd45/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:31,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:28:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:28:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:31,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:28:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:28:31,200 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:31,203 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:31,616 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:31,658 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:31,658 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:28:31,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:31 BoogieIcfgContainer [2023-11-21 18:28:31,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:31,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:31,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:31,673 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:31,674 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:31,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2023-11-21 18:28:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2023-11-21 18:28:31,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:28:31,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:31,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:31,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:28:31,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:31,987 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 18:28:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 72 states and 82 transitions. [2023-11-21 18:28:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2023-11-21 18:28:32,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:32,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:28:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 88 transitions. [2023-11-21 18:28:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2023-11-21 18:28:32,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:32,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,259 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:28:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-21 18:28:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-21 18:28:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:28:32,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 80 states and 95 transitions. [2023-11-21 18:28:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 95 transitions. [2023-11-21 18:28:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:28:32,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 105 transitions. [2023-11-21 18:28:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:28:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:28:32,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:32,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:32,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 88 states and 113 transitions. [2023-11-21 18:28:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 113 transitions. [2023-11-21 18:28:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:28:33,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:33,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 89 states and 114 transitions. [2023-11-21 18:28:33,439 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2023-11-21 18:28:33,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:28:33,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:33,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 125 transitions. [2023-11-21 18:28:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2023-11-21 18:28:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:33,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:33,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:33,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:34,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 138 transitions. [2023-11-21 18:28:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 138 transitions. [2023-11-21 18:28:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:34,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:34,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:34,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:34,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 149 transitions. [2023-11-21 18:28:35,101 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 149 transitions. [2023-11-21 18:28:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:28:35,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:35,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:28:35,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:35,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 111 states and 158 transitions. [2023-11-21 18:28:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2023-11-21 18:28:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:35,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:35,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:35,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:35,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:35,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:28:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 118 states and 171 transitions. [2023-11-21 18:28:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-21 18:28:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:28:36,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:36,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:28:37,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 185 transitions. [2023-11-21 18:28:37,170 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 185 transitions. [2023-11-21 18:28:37,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:28:37,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:37,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:28:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 134 states and 199 transitions. [2023-11-21 18:28:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 199 transitions. [2023-11-21 18:28:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:28:40,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:40,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-21 18:28:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 212 transitions. [2023-11-21 18:28:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2023-11-21 18:28:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:28:42,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:42,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:42,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:42,474 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:28:42,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 145 states and 222 transitions. [2023-11-21 18:28:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 222 transitions. [2023-11-21 18:28:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:28:42,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:43,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:43,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:28:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 238 transitions. [2023-11-21 18:28:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 238 transitions. [2023-11-21 18:28:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:28:44,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:44,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:28:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 156 states and 239 transitions. [2023-11-21 18:28:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 239 transitions. [2023-11-21 18:28:44,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:28:44,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:44,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:28:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 165 states and 251 transitions. [2023-11-21 18:28:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2023-11-21 18:28:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:44,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:44,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-21 18:28:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 173 states and 261 transitions. [2023-11-21 18:28:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2023-11-21 18:28:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:28:46,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:46,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:46,167 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-21 18:28:46,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 182 states and 273 transitions. [2023-11-21 18:28:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 273 transitions. [2023-11-21 18:28:46,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:28:46,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:46,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:46,680 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 193 states and 300 transitions. [2023-11-21 18:28:48,212 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2023-11-21 18:28:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:28:48,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:48,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:28:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 202 states and 311 transitions. [2023-11-21 18:28:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 311 transitions. [2023-11-21 18:28:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:28:49,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:49,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 207 states and 321 transitions. [2023-11-21 18:28:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 321 transitions. [2023-11-21 18:28:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:50,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:50,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:50,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:50,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:52,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 207 states and 320 transitions. [2023-11-21 18:28:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 320 transitions. [2023-11-21 18:28:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:52,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:52,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:52,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 213 states and 334 transitions. [2023-11-21 18:28:53,387 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 334 transitions. [2023-11-21 18:28:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:53,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:53,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 215 states and 339 transitions. [2023-11-21 18:28:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2023-11-21 18:28:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:28:53,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:53,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 18:28:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:54,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 219 states and 347 transitions. [2023-11-21 18:28:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 347 transitions. [2023-11-21 18:28:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:54,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:54,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-21 18:28:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 221 states and 350 transitions. [2023-11-21 18:28:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 350 transitions. [2023-11-21 18:28:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:28:56,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:56,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:28:56,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:29:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 227 states and 363 transitions. [2023-11-21 18:29:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 363 transitions. [2023-11-21 18:29:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:29:00,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:00,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:00,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:29:00,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:01,956 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:29:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 232 states and 376 transitions. [2023-11-21 18:29:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 376 transitions. [2023-11-21 18:29:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:29:03,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:03,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:29:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:06,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 245 states and 401 transitions. [2023-11-21 18:29:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 401 transitions. [2023-11-21 18:29:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:29:06,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:06,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:06,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:06,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:29:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 257 states and 420 transitions. [2023-11-21 18:29:09,741 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 420 transitions. [2023-11-21 18:29:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:29:09,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:09,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:09,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:09,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:29:12,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 270 states and 441 transitions. [2023-11-21 18:29:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 441 transitions. [2023-11-21 18:29:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:29:12,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:12,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:12,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:12,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-21 18:29:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 278 states and 450 transitions. [2023-11-21 18:29:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 450 transitions. [2023-11-21 18:29:13,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:29:13,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:13,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:13,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:13,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-21 18:29:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 292 states and 473 transitions. [2023-11-21 18:29:16,651 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 473 transitions. [2023-11-21 18:29:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:29:16,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:16,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:16,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:16,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:16,839 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-21 18:29:18,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 303 states and 502 transitions. [2023-11-21 18:29:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 502 transitions. [2023-11-21 18:29:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:29:18,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:18,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:18,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.