./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.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_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/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_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/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_be956469-e2a2-4edd-acd9-f9376a280a86/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 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:42,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:42,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:02:42,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:42,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:42,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:42,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:42,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:42,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:42,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:42,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:42,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:42,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:42,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:42,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:42,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:42,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:42,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:42,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:42,495 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:42,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:42,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:42,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:42,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:42,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:42,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:42,498 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:42,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:42,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:42,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:42,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:42,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:42,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:42,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:42,501 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:42,501 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_be956469-e2a2-4edd-acd9-f9376a280a86/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8266a4ea95b9e4223f8b08ac8ccf14874ced037158e20412a04b64da93889ae0 [2023-11-19 03:02:42,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:42,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:42,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:42,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:42,790 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:42,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-19 03:02:45,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:46,192 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:46,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound20.c [2023-11-19 03:02:46,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/data/c339502ab/3bf8afc8a7914ae9a9048fa1b0910a6f/FLAG3b9e94cce [2023-11-19 03:02:46,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/data/c339502ab/3bf8afc8a7914ae9a9048fa1b0910a6f [2023-11-19 03:02:46,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:46,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:46,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:46,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:46,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:46,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3858ac75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46, skipping insertion in model container [2023-11-19 03:02:46,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:46,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:46,496 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:46,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:46,531 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:46,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46 WrapperNode [2023-11-19 03:02:46,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:46,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:46,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:46,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:46,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,568 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-11-19 03:02:46,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:46,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:46,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:46,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:46,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:46,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:46,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:46,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:46,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:46,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:46,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be956469-e2a2-4edd-acd9-f9376a280a86/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:46,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:46,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:02:46,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:02:46,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:46,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:46,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:02:46,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:02:46,744 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:46,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:47,058 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:47,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:47,091 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:02:47,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:47 BoogieIcfgContainer [2023-11-19 03:02:47,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:47,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:47,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:47,107 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:47,107 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:47" (1/1) ... [2023-11-19 03:02:47,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:47,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2023-11-19 03:02:47,173 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-11-19 03:02:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:47,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:47,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 72 transitions. [2023-11-19 03:02:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-19 03:02:47,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:47,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:47,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 77 transitions. [2023-11-19 03:02:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-11-19 03:02:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:02:47,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:47,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:47,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:47,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:48,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 80 transitions. [2023-11-19 03:02:48,087 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-19 03:02:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:02:48,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:48,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:48,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:02:48,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:48,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 82 transitions. [2023-11-19 03:02:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 03:02:48,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:02:48,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:48,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:48,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 92 transitions. [2023-11-19 03:02:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-19 03:02:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:02:49,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:49,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:49,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 104 transitions. [2023-11-19 03:02:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2023-11-19 03:02:49,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:02:49,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:49,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:50,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:50,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:50,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 106 transitions. [2023-11-19 03:02:50,221 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-19 03:02:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:02:50,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:50,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:50,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:02:50,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:50,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 109 transitions. [2023-11-19 03:02:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2023-11-19 03:02:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:50,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:50,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:50,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:02:50,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:02:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:51,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 131 transitions. [2023-11-19 03:02:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2023-11-19 03:02:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:51,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:51,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:51,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:51,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 152 transitions. [2023-11-19 03:02:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2023-11-19 03:02:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:02:52,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:53,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:02:53,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:02:54,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:54,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 167 transitions. [2023-11-19 03:02:54,513 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2023-11-19 03:02:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:02:54,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:54,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:54,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:54,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 135 states and 183 transitions. [2023-11-19 03:02:55,413 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-11-19 03:02:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:02:55,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:55,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:55,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:55,508 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 148 states and 205 transitions. [2023-11-19 03:02:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2023-11-19 03:02:56,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:56,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:56,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:56,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:56,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:02:57,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 153 states and 217 transitions. [2023-11-19 03:02:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-19 03:02:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:02:57,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:57,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:57,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:57,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:01,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:01,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 158 states and 228 transitions. [2023-11-19 03:03:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 228 transitions. [2023-11-19 03:03:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:01,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:01,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:01,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:01,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:01,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:05,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 241 transitions. [2023-11-19 03:03:05,097 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2023-11-19 03:03:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:05,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:05,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:05,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 170 states and 253 transitions. [2023-11-19 03:03:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 253 transitions. [2023-11-19 03:03:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:10,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:10,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,641 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:23,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:23,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 177 states and 268 transitions. [2023-11-19 03:03:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 268 transitions. [2023-11-19 03:03:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:23,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:23,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:23,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:23,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:03:23,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:23,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 176 states and 267 transitions. [2023-11-19 03:03:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2023-11-19 03:03:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:23,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:23,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:23,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:23,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:25,830 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| |ULTIMATE.start_main_~z~0#1|))) (and (<= (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|) .cse0) (<= 1 |v_ULTIMATE.start_main_~x~0#1_54|) (<= .cse0 9223372036854775807)))) is different from true [2023-11-19 03:03:25,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.