./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:17,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:17,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:54:17,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:17,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:17,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:17,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:17,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:17,263 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:17,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:17,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:17,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:17,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:17,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:17,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:17,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:17,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:17,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:17,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:17,269 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:54:17,269 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:54:17,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:17,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:17,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:17,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:17,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:17,272 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:17,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:17,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:17,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:17,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:17,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:17,274 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:17,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:17,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:17,275 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_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 [2023-11-24 22:54:17,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:17,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:17,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:17,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:17,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:17,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-24 22:54:20,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:20,961 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:20,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-24 22:54:20,970 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/data/b70bac411/4066e31644804eeaac997cde880b40b6/FLAGd764b5d66 [2023-11-24 22:54:20,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/data/b70bac411/4066e31644804eeaac997cde880b40b6 [2023-11-24 22:54:20,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:20,990 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:20,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:20,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:20,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:20,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:20,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e11ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:20, skipping insertion in model container [2023-11-24 22:54:20,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:20" (1/1) ... [2023-11-24 22:54:21,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:21,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:21,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:21,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:21,234 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:21,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21 WrapperNode [2023-11-24 22:54:21,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:21,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:21,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:21,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:21,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,272 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-24 22:54:21,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:21,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:21,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:21,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:21,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:21,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:21,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:21,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:21,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:21,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:21,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:21,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2896f58b-dd46-4a66-8cfe-aa28ba25899b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:21,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:54:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:54:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:21,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:21,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:54:21,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:54:21,447 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:21,449 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:21,723 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:21,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:21,774 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:54:21,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:21 BoogieIcfgContainer [2023-11-24 22:54:21,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:21,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:21,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:21,787 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:21,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:21" (1/1) ... [2023-11-24 22:54:21,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-24 22:54:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-24 22:54:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:54:21,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-11-24 22:54:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-24 22:54:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:54:22,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-11-24 22:54:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-24 22:54:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:22,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-11-24 22:54:22,532 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-24 22:54:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:22,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:22,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 76 states and 82 transitions. [2023-11-24 22:54:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-11-24 22:54:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:23,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:23,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:54:23,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 82 states and 91 transitions. [2023-11-24 22:54:23,965 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-24 22:54:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:23,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:23,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:54:24,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 84 states and 94 transitions. [2023-11-24 22:54:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-24 22:54:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:24,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:54:24,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 96 transitions. [2023-11-24 22:54:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-24 22:54:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:54:24,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:24,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 94 states and 108 transitions. [2023-11-24 22:54:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2023-11-24 22:54:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:54:25,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:25,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:25,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 104 states and 121 transitions. [2023-11-24 22:54:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2023-11-24 22:54:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:26,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 105 states and 123 transitions. [2023-11-24 22:54:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2023-11-24 22:54:27,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:27,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:27,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 107 states and 126 transitions. [2023-11-24 22:54:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2023-11-24 22:54:27,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:27,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:27,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 110 states and 133 transitions. [2023-11-24 22:54:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 133 transitions. [2023-11-24 22:54:27,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:27,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:27,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:27,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 156 transitions. [2023-11-24 22:54:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2023-11-24 22:54:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:29,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:29,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:30,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 132 states and 170 transitions. [2023-11-24 22:54:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2023-11-24 22:54:30,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:30,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:30,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:30,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 148 states and 195 transitions. [2023-11-24 22:54:32,357 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 195 transitions. [2023-11-24 22:54:32,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:32,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:32,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:32,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:32,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:33,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 207 transitions. [2023-11-24 22:54:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2023-11-24 22:54:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:33,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:33,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:33,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:33,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 158 states and 218 transitions. [2023-11-24 22:54:39,180 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2023-11-24 22:54:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:39,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:39,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:39,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:39,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:54:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 164 states and 231 transitions. [2023-11-24 22:54:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 231 transitions. [2023-11-24 22:54:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:58,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:58,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:58,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:54:58,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 170 states and 243 transitions. [2023-11-24 22:55:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 243 transitions. [2023-11-24 22:55:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:55:11,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:55:11,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.