./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.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_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/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_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/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_49f23a9a-b5a3-4deb-a039-9264a01ca531/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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:44,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:44,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:56:44,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:44,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:44,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:44,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:44,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:44,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:45,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:45,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:45,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:45,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:45,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:45,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:45,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:45,009 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:45,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:45,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:45,011 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:45,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:45,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:45,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:45,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:45,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:45,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:45,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:45,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:45,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:45,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:45,016 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:45,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:45,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:45,017 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_49f23a9a-b5a3-4deb-a039-9264a01ca531/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2023-11-19 03:56:45,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:45,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:45,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:45,295 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:45,296 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:45,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.c [2023-11-19 03:56:48,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:56:48,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:56:48,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.c [2023-11-19 03:56:48,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/data/f320124f3/151dbd0505ec4d4e85def71d31e6e3ad/FLAG692191881 [2023-11-19 03:56:48,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/data/f320124f3/151dbd0505ec4d4e85def71d31e6e3ad [2023-11-19 03:56:48,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:56:48,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:56:48,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:48,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:56:48,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:56:48,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341140ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:48, skipping insertion in model container [2023-11-19 03:56:48,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:56:48" (1/1) ... [2023-11-19 03:56:48,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:56:49,075 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_49f23a9a-b5a3-4deb-a039-9264a01ca531/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.c[573,586] [2023-11-19 03:56:49,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:49,106 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:56:49,123 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_49f23a9a-b5a3-4deb-a039-9264a01ca531/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound1.c[573,586] [2023-11-19 03:56:49,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:56:49,149 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:56:49,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49 WrapperNode [2023-11-19 03:56:49,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:56:49,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:49,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:56:49,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:56:49,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,188 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-19 03:56:49,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:56:49,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:56:49,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:56:49,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:56:49,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:56:49,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:56:49,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:56:49,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:56:49,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:49,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:56:49,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:56:49,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49f23a9a-b5a3-4deb-a039-9264a01ca531/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:56:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:56:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:56:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:56:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:56:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:56:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:56:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:56:49,390 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:56:49,392 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:56:49,517 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:56:49,564 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:56:49,575 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:56:49,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:49 BoogieIcfgContainer [2023-11-19 03:56:49,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:56:49,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:56:49,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:56:49,592 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:56:49,592 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:56:49" (1/1) ... [2023-11-19 03:56:49,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:56:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:56:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:56:49,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:49,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:49,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:56:49,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-19 03:56:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-19 03:56:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:56:49,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:56:50,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-19 03:56:50,389 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-19 03:56:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:56:50,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:56:50,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:56:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:56:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:56:50,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:50,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:56:50,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:56:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-19 03:56:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-19 03:56:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:56:51,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:56:51,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:51,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:56:51,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:56:51,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:56:51,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:51,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:51,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:56:51,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:56:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-19 03:56:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-19 03:56:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:56:52,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:52,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:52,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:56:52,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:53,594 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:56:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2023-11-19 03:56:54,501 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2023-11-19 03:56:54,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:56:54,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:54,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:54,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:56:54,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:56:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:56:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:56:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 79 transitions. [2023-11-19 03:56:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2023-11-19 03:56:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:56:58,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:56:58,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:56:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:56:59,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 03:56:59,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:57:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 53 states and 86 transitions. [2023-11-19 03:57:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 86 transitions. [2023-11-19 03:57:03,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:57:03,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:03,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:03,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:57:03,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,443 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:57:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 92 transitions. [2023-11-19 03:57:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2023-11-19 03:57:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 03:57:08,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:57:08,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:57:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 98 transitions. [2023-11-19 03:57:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2023-11-19 03:57:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:57:14,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:14,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:14,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:57:14,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2023-11-19 03:57:25,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 119 transitions. [2023-11-19 03:57:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2023-11-19 03:57:25,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:57:25,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:25,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:25,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:57:25,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:30,518 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 03:57:36,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 74 states and 126 transitions. [2023-11-19 03:57:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 126 transitions. [2023-11-19 03:57:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 03:57:36,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:57:36,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 40 proven. 162 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.