./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/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_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/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_98c8c872-edf3-495f-948b-72d96b10af16/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 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:37,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:37,871 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:37,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:37,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:37,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:37,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:37,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:37,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:37,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:37,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:37,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:37,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:37,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:37,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:37,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:37,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:37,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:37,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:37,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:37,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:37,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:37,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:37,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:37,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:37,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:37,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:37,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:37,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:37,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:37,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:37,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:37,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:37,943 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_98c8c872-edf3-495f-948b-72d96b10af16/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 698c604312f3eb09bef7f8f6e092d43de99877a411ec8f3c76598811466d02b7 [2023-11-19 04:01:38,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:38,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:38,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:38,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:38,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:38,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2023-11-19 04:01:41,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:41,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:41,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i [2023-11-19 04:01:41,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/data/685c1b47f/6342a0079c3f4e5da4b4cd3d85f7eaba/FLAG2712d533c [2023-11-19 04:01:41,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/data/685c1b47f/6342a0079c3f4e5da4b4cd3d85f7eaba [2023-11-19 04:01:41,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:41,722 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:41,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:41,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:41,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:41,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:41" (1/1) ... [2023-11-19 04:01:41,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521e06e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:41, skipping insertion in model container [2023-11-19 04:01:41,741 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:41" (1/1) ... [2023-11-19 04:01:41,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:41,987 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_98c8c872-edf3-495f-948b-72d96b10af16/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2023-11-19 04:01:42,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:42,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:42,042 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_98c8c872-edf3-495f-948b-72d96b10af16/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound50.i[951,964] [2023-11-19 04:01:42,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:42,076 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:42,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42 WrapperNode [2023-11-19 04:01:42,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:42,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:42,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:42,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:42,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,122 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2023-11-19 04:01:42,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:42,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:42,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:42,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:42,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,145 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:42,161 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:42,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:42,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:42,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:42,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:42,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c8c872-edf3-495f-948b-72d96b10af16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:42,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:42,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:42,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:42,309 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:42,311 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:42,490 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:42,551 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:42,551 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:42,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:42 BoogieIcfgContainer [2023-11-19 04:01:42,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:42,557 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:42,557 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:42,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:42,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:42" (1/1) ... [2023-11-19 04:01:42,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 04:01:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 04:01:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:01:42,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:42,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:42,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:42,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 04:01:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 04:01:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:42,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:42,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:01:43,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-11-19 04:01:43,370 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 04:01:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:01:43,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:43,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:43,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2023-11-19 04:01:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2023-11-19 04:01:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:01:43,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:43,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:01:43,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 04:01:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 04:01:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:01:44,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:44,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:44,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:01:44,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-11-19 04:01:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-11-19 04:01:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:45,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:45,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:01:45,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2023-11-19 04:01:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-11-19 04:01:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:01:47,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:01:47,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:49,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2023-11-19 04:01:49,046 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2023-11-19 04:01:49,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:01:49,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:49,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:49,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:01:49,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:01:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2023-11-19 04:01:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2023-11-19 04:01:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:01:50,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:50,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:50,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:01:50,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:01:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2023-11-19 04:01:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2023-11-19 04:01:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:52,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:52,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:53,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:01:53,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:01:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:56,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 73 states and 124 transitions. [2023-11-19 04:01:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2023-11-19 04:01:56,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:56,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:56,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:56,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:01:56,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 80 states and 137 transitions. [2023-11-19 04:02:00,086 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 137 transitions. [2023-11-19 04:02:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:02:00,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:00,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 04:02:00,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:02,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2023-11-19 04:02:02,986 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2023-11-19 04:02:02,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:02:02,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:02,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:03,046 WARN L260 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:02:03,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:02:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 84 states and 146 transitions. [2023-11-19 04:02:06,699 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2023-11-19 04:02:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:02:06,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:06,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:06,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:02:06,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:11,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 92 states and 161 transitions. [2023-11-19 04:02:11,729 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2023-11-19 04:02:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:02:11,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:11,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:02:11,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:02:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 94 states and 165 transitions. [2023-11-19 04:02:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 165 transitions. [2023-11-19 04:02:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:02:13,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:13,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:13,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:02:13,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:17,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 97 states and 172 transitions. [2023-11-19 04:02:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 172 transitions. [2023-11-19 04:02:17,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:02:17,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:17,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:17,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 04:02:17,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:02:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 108 states and 194 transitions. [2023-11-19 04:02:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 194 transitions. [2023-11-19 04:02:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:02:24,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:24,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:24,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:02:24,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:02:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:02:29,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:29,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 111 states and 201 transitions. [2023-11-19 04:02:29,536 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2023-11-19 04:02:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:02:29,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:29,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:02:29,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:02:29,883 INFO L285 TraceCheckSpWp]: Computing forward predicates...