./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi --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 a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:52,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:52,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:05:52,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:52,407 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:52,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:52,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:52,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:52,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:52,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:52,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:52,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:52,451 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:52,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:52,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:52,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:52,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:52,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:52,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:52,456 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:05:52,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:05:52,457 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:52,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:52,458 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:52,459 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:52,459 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:52,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:52,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:52,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:52,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:52,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:52,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:52,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:52,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:52,463 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:52,463 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_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2023-11-24 23:05:52,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:52,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:52,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:52,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:52,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:52,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-24 23:05:55,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:56,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:56,124 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-11-24 23:05:56,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/data/6e8208a3a/5f6da72546684225a61059cf606cbe24/FLAG02f73bc93 [2023-11-24 23:05:56,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/data/6e8208a3a/5f6da72546684225a61059cf606cbe24 [2023-11-24 23:05:56,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:56,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:56,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:56,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:56,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:56,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ec562e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56, skipping insertion in model container [2023-11-24 23:05:56,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,185 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:56,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:56,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:56,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:56,495 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:56,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56 WrapperNode [2023-11-24 23:05:56,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:56,497 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:56,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:56,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:56,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,541 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-24 23:05:56,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:56,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:56,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:56,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:56,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:56,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:56,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:56,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:56,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:56,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:56,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:56,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f048cc7b-57be-43c7-b99f-961199aa5e74/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:56,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:56,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:05:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:05:56,712 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:56,714 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:57,098 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:57,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:57,143 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:05:57,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:57 BoogieIcfgContainer [2023-11-24 23:05:57,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:57,146 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:57,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:57,157 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:57,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:57" (1/1) ... [2023-11-24 23:05:57,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 23:05:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 23:05:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:05:57,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-24 23:05:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-24 23:05:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:05:57,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-24 23:05:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-24 23:05:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:57,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-24 23:05:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-24 23:05:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:05:57,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:57,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2023-11-24 23:05:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2023-11-24 23:05:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:05:58,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:58,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:05:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2023-11-24 23:05:58,867 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2023-11-24 23:05:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:05:58,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:05:58,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:05:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 101 states and 127 transitions. [2023-11-24 23:05:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 127 transitions. [2023-11-24 23:05:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:05:59,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:59,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:05:59,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 111 states and 169 transitions. [2023-11-24 23:06:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2023-11-24 23:06:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:00,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:00,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:00,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 185 transitions. [2023-11-24 23:06:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2023-11-24 23:06:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:02,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:02,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:02,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 235 transitions. [2023-11-24 23:06:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2023-11-24 23:06:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:03,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:03,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:03,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:04,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:04,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:04,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 136 states and 248 transitions. [2023-11-24 23:06:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 248 transitions. [2023-11-24 23:06:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:04,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:05,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:05,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:05,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 142 states and 263 transitions. [2023-11-24 23:06:05,980 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 263 transitions. [2023-11-24 23:06:05,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:06:05,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:06,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 143 states and 263 transitions. [2023-11-24 23:06:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 263 transitions. [2023-11-24 23:06:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:06:06,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:06,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:06,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:06,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:08,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 287 transitions. [2023-11-24 23:06:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 287 transitions. [2023-11-24 23:06:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:08,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:08,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:08,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:08,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 166 states and 313 transitions. [2023-11-24 23:06:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 313 transitions. [2023-11-24 23:06:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:12,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:12,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:12,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:12,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:13,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 172 states and 323 transitions. [2023-11-24 23:06:13,532 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2023-11-24 23:06:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:13,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:13,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:06:13,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 185 states and 349 transitions. [2023-11-24 23:06:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 349 transitions. [2023-11-24 23:06:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:17,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:17,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 192 states and 361 transitions. [2023-11-24 23:06:20,393 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2023-11-24 23:06:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:06:20,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:20,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:06:20,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:25,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 206 states and 386 transitions. [2023-11-24 23:06:25,736 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 386 transitions. [2023-11-24 23:06:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:06:25,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:25,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:06:25,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 214 states and 397 transitions. [2023-11-24 23:06:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 397 transitions. [2023-11-24 23:06:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:06:28,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:28,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:28,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:28,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:36,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:36,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 224 states and 420 transitions. [2023-11-24 23:06:36,923 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 420 transitions. [2023-11-24 23:06:36,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:06:36,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:36,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:06:36,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:06:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.