./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/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_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:54,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:54,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:54,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:54,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:54,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:54,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:54,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:54,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:54,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:54,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:54,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:54,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:54,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:54,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:54,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:54,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:54,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:54,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:54,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:54,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:54,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:54,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:54,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:54,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:54,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:54,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:54,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:54,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:54,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:54,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:54,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:54,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:54,771 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_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2023-11-19 04:08:55,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:55,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:55,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:55,150 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:55,151 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:55,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-11-19 04:08:58,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:58,814 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:58,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2023-11-19 04:08:58,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/data/6995fd679/5817fbc3e4534119bc03354e5c5799a9/FLAG93ea5b513 [2023-11-19 04:08:58,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/data/6995fd679/5817fbc3e4534119bc03354e5c5799a9 [2023-11-19 04:08:58,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:58,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:58,848 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:58,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:58,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:58,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:58" (1/1) ... [2023-11-19 04:08:58,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761db330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:58, skipping insertion in model container [2023-11-19 04:08:58,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:58" (1/1) ... [2023-11-19 04:08:58,896 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:59,069 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c[538,551] [2023-11-19 04:08:59,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:59,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:59,118 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c[538,551] [2023-11-19 04:08:59,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:59,148 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:59,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59 WrapperNode [2023-11-19 04:08:59,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:59,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:59,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:59,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:59,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,193 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 04:08:59,194 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:59,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:59,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:59,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:59,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,209 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:59,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:59,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:59,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:59,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:59,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:59,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:59,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:59,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:59,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:59,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:59,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:59,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:59,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:59,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:59,421 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:59,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:59,637 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:59,693 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:59,693 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:08:59,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59 BoogieIcfgContainer [2023-11-19 04:08:59,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:59,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:59,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:59,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:59,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (1/1) ... [2023-11-19 04:08:59,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:59,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-11-19 04:08:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-11-19 04:08:59,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:59,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 47 transitions. [2023-11-19 04:09:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2023-11-19 04:09:00,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:09:00,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:09:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 51 transitions. [2023-11-19 04:09:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2023-11-19 04:09:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:09:00,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:00,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:01,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:09:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 58 transitions. [2023-11-19 04:09:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2023-11-19 04:09:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:09:01,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:01,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:01,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:09:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 63 transitions. [2023-11-19 04:09:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2023-11-19 04:09:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:02,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 04:09:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 72 transitions. [2023-11-19 04:09:02,583 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2023-11-19 04:09:02,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 04:09:02,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:09:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 80 transitions. [2023-11-19 04:09:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-11-19 04:09:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:09:03,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:09:03,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 89 transitions. [2023-11-19 04:09:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2023-11-19 04:09:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 04:09:03,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-11-19 04:09:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 90 transitions. [2023-11-19 04:09:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 90 transitions. [2023-11-19 04:09:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:09:04,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,259 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:09:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 94 transitions. [2023-11-19 04:09:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2023-11-19 04:09:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 04:09:04,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:04,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:04,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:04,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,958 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:09:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:05,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 93 transitions. [2023-11-19 04:09:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-19 04:09:05,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 04:09:05,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:05,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:05,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-19 04:09:06,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 98 transitions. [2023-11-19 04:09:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-19 04:09:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 04:09:06,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:06,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:06,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 04:09:08,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 63 states and 108 transitions. [2023-11-19 04:09:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2023-11-19 04:09:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 04:09:08,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:08,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:08,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:09:08,225 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:08,379 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 04:09:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:09,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 119 transitions. [2023-11-19 04:09:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 119 transitions. [2023-11-19 04:09:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:09:09,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:09,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:09,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:09:09,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 27 proven. 17 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 04:09:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 136 transitions. [2023-11-19 04:09:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2023-11-19 04:09:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 04:09:11,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:11,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:09:11,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:12,455 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-19 04:09:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 73 states and 137 transitions. [2023-11-19 04:09:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 137 transitions. [2023-11-19 04:09:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:09:12,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:12,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:09:12,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-19 04:09:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 75 states and 141 transitions. [2023-11-19 04:09:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-19 04:09:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 04:09:14,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2023-11-19 04:09:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:14,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 75 states and 140 transitions. [2023-11-19 04:09:14,781 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2023-11-19 04:09:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:09:14,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:14,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 04:09:14,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 04:09:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 147 transitions. [2023-11-19 04:09:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 147 transitions. [2023-11-19 04:09:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:09:17,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-19 04:09:17,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:17,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 78 states and 146 transitions. [2023-11-19 04:09:17,897 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 146 transitions. [2023-11-19 04:09:17,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 04:09:17,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:17,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:17,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 118 proven. 1 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-19 04:09:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:20,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 67 states and 122 transitions. [2023-11-19 04:09:20,952 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2023-11-19 04:09:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:09:20,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:21,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:21,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2023-11-19 04:09:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 67 states and 121 transitions. [2023-11-19 04:09:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 121 transitions. [2023-11-19 04:09:22,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:09:22,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:22,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:22,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:09:22,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:24,304 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 21 proven. 50 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-19 04:09:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 72 states and 137 transitions. [2023-11-19 04:09:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2023-11-19 04:09:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:09:28,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:28,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:28,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:09:28,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 30 proven. 41 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-19 04:09:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 73 states and 138 transitions. [2023-11-19 04:09:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2023-11-19 04:09:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:09:29,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:29,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:09:29,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-19 04:09:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 75 states and 142 transitions. [2023-11-19 04:09:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2023-11-19 04:09:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:09:31,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:31,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:31,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:09:31,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:32,063 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2023-11-19 04:09:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 77 states and 145 transitions. [2023-11-19 04:09:34,051 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 145 transitions. [2023-11-19 04:09:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:09:34,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 67 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2023-11-19 04:09:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 79 states and 148 transitions. [2023-11-19 04:09:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2023-11-19 04:09:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 04:09:37,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2023-11-19 04:09:40,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 62 states and 89 transitions. [2023-11-19 04:09:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2023-11-19 04:09:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 04:09:40,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 31 proven. 73 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-19 04:09:44,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 57 states and 84 transitions. [2023-11-19 04:09:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-19 04:09:44,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:09:44,159 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2023-11-19 04:09:44,175 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:09:45,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:45,640 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2023-11-19 04:09:45,652 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:45,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:45 ImpRootNode [2023-11-19 04:09:45,654 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:45,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:45,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:45,658 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:45,659 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:59" (3/4) ... [2023-11-19 04:09:45,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:09:45,666 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 04:09:45,667 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:09:45,675 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 04:09:45,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:09:45,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:09:45,676 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:09:45,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:09:45,838 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:09:45,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:45,839 INFO L158 Benchmark]: Toolchain (without parser) took 46992.96ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 130.1MB in the beginning and 168.2MB in the end (delta: -38.1MB). Peak memory consumption was 144.8MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,840 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:45,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 119.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.96ms. Allocated memory is still 163.6MB. Free memory was 119.0MB in the beginning and 117.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,841 INFO L158 Benchmark]: Boogie Preprocessor took 29.31ms. Allocated memory is still 163.6MB. Free memory was 117.6MB in the beginning and 116.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,842 INFO L158 Benchmark]: RCFGBuilder took 480.36ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 102.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,843 INFO L158 Benchmark]: CodeCheck took 45947.90ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 102.9MB in the beginning and 173.5MB in the end (delta: -70.5MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,843 INFO L158 Benchmark]: Witness Printer took 181.89ms. Allocated memory is still 343.9MB. Free memory was 173.5MB in the beginning and 168.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:09:45,846 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.4s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2433 SdHoareTripleChecker+Valid, 33.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1090 mSDsluCounter, 3361 SdHoareTripleChecker+Invalid, 29.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2014 mSDsCounter, 3867 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9281 IncrementalHoareTripleChecker+Invalid, 13148 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3867 mSolverCounterUnsat, 1347 mSDtfsCounter, 9281 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14161 GetRequests, 13509 SyntacticMatches, 358 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53611 ImplicationChecksByTransitivity, 29.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 1767 NumberOfCodeBlocks, 1767 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 9052 SizeOfPredicates, 69 NumberOfNonLiveVariables, 4110 ConjunctsInSsa, 472 ConjunctsInUnsatCore, 28 InterpolantComputations, 11 PerfectInterpolantSequences, 4689/5087 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((((B % 4294967296) <= r) && ((2 * (B % 4294967296)) == d)) || ((d == (4 * (B % 4294967296))) && (2 < r))) || ((2 * (B % 4294967296)) <= r)) || !(((((A / 4294967296) * 4294967296) + r) == A))) || !((q == 0))) || (!(((p == 4) && (d == (4 * (B % 4294967296))))) && !(((2 == p) && ((2 * (B % 4294967296)) == d))))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.05ms. Allocated memory is still 163.6MB. Free memory was 130.1MB in the beginning and 119.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.96ms. Allocated memory is still 163.6MB. Free memory was 119.0MB in the beginning and 117.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.31ms. Allocated memory is still 163.6MB. Free memory was 117.6MB in the beginning and 116.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.36ms. Allocated memory is still 163.6MB. Free memory was 116.2MB in the beginning and 102.9MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 45947.90ms. Allocated memory was 163.6MB in the beginning and 343.9MB in the end (delta: 180.4MB). Free memory was 102.9MB in the beginning and 173.5MB in the end (delta: -70.5MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. * Witness Printer took 181.89ms. Allocated memory is still 343.9MB. Free memory was 173.5MB in the beginning and 168.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:09:45,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1c4e8c-cb2a-48ae-b507-2152dfb6f739/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE