./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/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_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi --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 a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:10,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:10,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:10,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:10,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:10,573 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:10,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:10,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:10,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:10,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:10,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:10,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:10,583 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:10,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:10,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:10,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:10,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:10,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:10,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:10,587 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:10,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:10,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:10,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:10,589 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:10,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:10,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:10,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:10,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:10,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:10,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:10,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:10,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:10,592 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:10,593 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_cfbc6056-b732-4d1f-ad3f-149d51585195/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a053a782decb11d2f285c3ec51c61736c730fd1e4c1a5a335f84feb7be146afe [2023-11-24 23:11:10,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:10,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:10,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:10,911 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:10,912 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:10,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2023-11-24 23:11:14,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:14,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:14,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2023-11-24 23:11:14,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/data/bcb62895b/3f0724e7100b4d579ed5b3acce0104a3/FLAG3370e4783 [2023-11-24 23:11:14,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/data/bcb62895b/3f0724e7100b4d579ed5b3acce0104a3 [2023-11-24 23:11:14,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:14,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:14,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:14,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:14,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:14,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:14,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@556813a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14, skipping insertion in model container [2023-11-24 23:11:14,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:14,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:14,888 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_cfbc6056-b732-4d1f-ad3f-149d51585195/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2023-11-24 23:11:14,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:14,904 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:14,923 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_cfbc6056-b732-4d1f-ad3f-149d51585195/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2023-11-24 23:11:14,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:14,952 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:14,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14 WrapperNode [2023-11-24 23:11:14,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:14,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:14,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:14,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:14,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:14,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:14,988 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-11-24 23:11:14,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:14,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:14,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:14,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:14,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:14,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,001 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:15,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:15,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:15,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:15,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:14" (1/1) ... [2023-11-24 23:11:15,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:15,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:15,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfbc6056-b732-4d1f-ad3f-149d51585195/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:15,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:15,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:15,147 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:15,149 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:15,321 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:15,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:15,344 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:11:15,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:15 BoogieIcfgContainer [2023-11-24 23:11:15,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:15,347 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:15,347 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:15,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:15,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:15" (1/1) ... [2023-11-24 23:11:15,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2023-11-24 23:11:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2023-11-24 23:11:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:11:15,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:15,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:15,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:15,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:16,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2023-11-24 23:11:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2023-11-24 23:11:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:11:16,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2023-11-24 23:11:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2023-11-24 23:11:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:16,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,788 WARN L260 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:17,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2023-11-24 23:11:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2023-11-24 23:11:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:11:17,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,477 WARN L260 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 22 states and 49 transitions. [2023-11-24 23:11:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 49 transitions. [2023-11-24 23:11:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:18,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:18,143 WARN L260 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 23:11:18,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:18,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 24 states and 58 transitions. [2023-11-24 23:11:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 58 transitions. [2023-11-24 23:11:18,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:18,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:18,835 WARN L260 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-24 23:11:18,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:20,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 26 states and 67 transitions. [2023-11-24 23:11:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 67 transitions. [2023-11-24 23:11:20,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:20,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,822 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 28 states and 78 transitions. [2023-11-24 23:11:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 78 transitions. [2023-11-24 23:11:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:21,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:21,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,830 WARN L260 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 23:11:21,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:22,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 30 states and 90 transitions. [2023-11-24 23:11:22,773 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 90 transitions. [2023-11-24 23:11:22,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:22,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:22,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:22,813 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-24 23:11:22,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 32 states and 103 transitions. [2023-11-24 23:11:23,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 103 transitions. [2023-11-24 23:11:23,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:11:23,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:23,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:23,881 WARN L260 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 23:11:23,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 34 states and 117 transitions. [2023-11-24 23:11:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 117 transitions. [2023-11-24 23:11:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:25,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:25,074 WARN L260 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-24 23:11:25,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 36 states and 132 transitions. [2023-11-24 23:11:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 132 transitions. [2023-11-24 23:11:26,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:26,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:26,324 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-24 23:11:26,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 38 states and 148 transitions. [2023-11-24 23:11:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 148 transitions. [2023-11-24 23:11:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:27,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:27,598 WARN L260 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-24 23:11:27,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:27,857 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 40 states and 165 transitions. [2023-11-24 23:11:28,936 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 165 transitions. [2023-11-24 23:11:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:28,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:28,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:28,987 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-24 23:11:28,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:29,286 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:30,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:30,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 42 states and 183 transitions. [2023-11-24 23:11:30,431 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 183 transitions. [2023-11-24 23:11:30,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:30,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:30,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:30,475 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-24 23:11:30,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:32,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:32,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 44 states and 202 transitions. [2023-11-24 23:11:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 202 transitions. [2023-11-24 23:11:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:11:32,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:32,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:32,108 WARN L260 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-24 23:11:32,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 46 states and 222 transitions. [2023-11-24 23:11:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 222 transitions. [2023-11-24 23:11:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:11:33,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:33,842 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-24 23:11:33,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:35,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:35,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 48 states and 243 transitions. [2023-11-24 23:11:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 243 transitions. [2023-11-24 23:11:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:11:35,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:35,711 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-24 23:11:35,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 50 states and 265 transitions. [2023-11-24 23:11:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 265 transitions. [2023-11-24 23:11:37,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:11:37,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:37,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:37,607 WARN L260 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-24 23:11:37,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:39,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 52 states and 288 transitions. [2023-11-24 23:11:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 288 transitions. [2023-11-24 23:11:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:39,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:39,668 WARN L260 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-24 23:11:39,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:40,061 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 54 states and 312 transitions. [2023-11-24 23:11:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 312 transitions. [2023-11-24 23:11:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:41,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:41,882 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-24 23:11:41,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 56 states and 337 transitions. [2023-11-24 23:11:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 337 transitions. [2023-11-24 23:11:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:11:44,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:44,138 WARN L260 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-24 23:11:44,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:46,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 58 states and 363 transitions. [2023-11-24 23:11:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 363 transitions. [2023-11-24 23:11:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:11:46,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:46,465 WARN L260 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-24 23:11:46,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 60 states and 390 transitions. [2023-11-24 23:11:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 390 transitions. [2023-11-24 23:11:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:11:48,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:49,028 WARN L260 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 123 conjunts are in the unsatisfiable core [2023-11-24 23:11:49,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 62 states and 418 transitions. [2023-11-24 23:11:51,684 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 418 transitions. [2023-11-24 23:11:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:11:51,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:51,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,774 WARN L260 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 127 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:54,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 64 states and 447 transitions. [2023-11-24 23:11:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 447 transitions. [2023-11-24 23:11:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:11:54,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:54,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:54,645 WARN L260 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 131 conjunts are in the unsatisfiable core [2023-11-24 23:11:54,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 66 states and 477 transitions. [2023-11-24 23:11:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 477 transitions. [2023-11-24 23:11:57,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:11:57,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:57,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:57,621 WARN L260 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 135 conjunts are in the unsatisfiable core [2023-11-24 23:11:57,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:58,159 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 68 states and 508 transitions. [2023-11-24 23:12:00,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 508 transitions. [2023-11-24 23:12:00,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:12:00,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:00,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:00,991 WARN L260 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 139 conjunts are in the unsatisfiable core [2023-11-24 23:12:00,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 70 states and 540 transitions. [2023-11-24 23:12:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 540 transitions. [2023-11-24 23:12:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:04,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:04,513 WARN L260 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 143 conjunts are in the unsatisfiable core [2023-11-24 23:12:04,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 72 states and 573 transitions. [2023-11-24 23:12:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 573 transitions. [2023-11-24 23:12:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:12:07,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:07,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:08,035 WARN L260 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 147 conjunts are in the unsatisfiable core [2023-11-24 23:12:08,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.