./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-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_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/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_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/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_4e5fb95b-ed7a-43eb-8279-43344018330b/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 de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:05,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:05,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:05,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:05,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:05,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:05,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:05,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:05,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:05,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:05,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:05,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:05,729 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:05,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:05,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:05,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:05,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:05,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:05,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:05,734 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:05,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:05,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:05,737 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:05,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:05,738 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:05,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:05,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:05,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:05,739 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:05,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:05,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:05,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:05,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:05,742 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_4e5fb95b-ed7a-43eb-8279-43344018330b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de6f1b0c31f6078d1329908bc6a1fa31b1de3eefc77e75c566f65f8bba6f4e00 [2023-11-24 23:11:06,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:06,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:06,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:06,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:06,120 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:06,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2023-11-24 23:11:09,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:09,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:09,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c [2023-11-24 23:11:09,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/data/7104314a0/a5d573497d004efa806fb4037c72f99e/FLAGae985540c [2023-11-24 23:11:09,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/data/7104314a0/a5d573497d004efa806fb4037c72f99e [2023-11-24 23:11:09,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:09,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:09,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:09,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:09,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:09,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4269a99a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09, skipping insertion in model container [2023-11-24 23:11:09,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:09,885 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_4e5fb95b-ed7a-43eb-8279-43344018330b/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2023-11-24 23:11:09,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:09,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:09,917 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_4e5fb95b-ed7a-43eb-8279-43344018330b/sv-benchmarks/c/loop-new/gauss_sum.i.v+cfa-reducer.c[1014,1027] [2023-11-24 23:11:09,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:09,935 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:09,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09 WrapperNode [2023-11-24 23:11:09,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:09,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:09,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:09,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:09,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,970 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-11-24 23:11:09,971 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:09,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:09,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:09,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:09,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:09,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:09,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:09,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:09,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:09,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:09" (1/1) ... [2023-11-24 23:11:10,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:10,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:10,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e5fb95b-ed7a-43eb-8279-43344018330b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:10,185 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:10,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:10,434 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:10,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:10,466 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:11:10,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:10 BoogieIcfgContainer [2023-11-24 23:11:10,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:10,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:10,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:10,481 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:10,481 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:10" (1/1) ... [2023-11-24 23:11:10,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2023-11-24 23:11:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2023-11-24 23:11:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:11:10,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:10,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:10,798 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 23:11:10,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2023-11-24 23:11:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2023-11-24 23:11:10,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:10,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:10,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:10,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:11:10,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:11,182 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 23:11:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 23:11:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 23:11:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:11,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:11,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:11:11,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:11,703 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 23:11:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 23:11:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 23:11:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:11:11,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:11,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:11:12,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:12,202 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 23:11:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2023-11-24 23:11:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2023-11-24 23:11:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:11:12,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:12,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:11:12,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:12,915 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 23:11:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2023-11-24 23:11:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2023-11-24 23:11:13,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:11:13,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:13,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:13,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:11:13,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:13,632 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 23:11:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:14,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2023-11-24 23:11:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2023-11-24 23:11:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:11:14,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:14,173 WARN L260 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 23:11:14,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:14,484 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 23:11:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2023-11-24 23:11:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2023-11-24 23:11:15,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:11:15,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:15,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:15,242 WARN L260 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 23:11:15,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:15,429 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 23:11:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2023-11-24 23:11:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2023-11-24 23:11:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:11:16,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:16,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:16,219 WARN L260 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 23:11:16,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:16,385 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 23:11:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-24 23:11:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-24 23:11:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:17,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:17,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:17,211 WARN L260 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-24 23:11:17,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:17,588 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 23:11:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-24 23:11:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-24 23:11:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:18,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:18,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:18,695 WARN L260 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-24 23:11:18,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:18,951 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 23:11:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2023-11-24 23:11:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2023-11-24 23:11:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:11:19,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:20,017 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-24 23:11:20,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:20,233 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 23:11:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2023-11-24 23:11:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2023-11-24 23:11:21,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:11:21,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:21,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:21,338 WARN L260 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-24 23:11:21,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:21,550 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 23:11:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2023-11-24 23:11:22,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2023-11-24 23:11:22,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:11:22,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:22,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:22,668 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-24 23:11:22,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:22,908 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 23:11:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2023-11-24 23:11:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2023-11-24 23:11:24,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:11:24,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:24,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:24,185 WARN L260 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-24 23:11:24,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:24,448 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 23:11:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2023-11-24 23:11:25,761 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2023-11-24 23:11:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:11:25,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:25,801 WARN L260 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 71 conjunts are in the unsatisfiable core [2023-11-24 23:11:25,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:26,050 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 23:11:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2023-11-24 23:11:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2023-11-24 23:11:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:27,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:27,513 WARN L260 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 75 conjunts are in the unsatisfiable core [2023-11-24 23:11:27,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:27,814 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 23:11:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-11-24 23:11:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-24 23:11:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:29,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:29,425 WARN L260 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 79 conjunts are in the unsatisfiable core [2023-11-24 23:11:29,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:29,692 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 23:11:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 42 states and 77 transitions. [2023-11-24 23:11:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 77 transitions. [2023-11-24 23:11:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:11:31,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:31,384 WARN L260 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 83 conjunts are in the unsatisfiable core [2023-11-24 23:11:31,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:31,670 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 23:11:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:33,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-24 23:11:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-24 23:11:33,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:11:33,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:33,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:33,594 WARN L260 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 87 conjunts are in the unsatisfiable core [2023-11-24 23:11:33,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:33,912 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 23:11:36,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2023-11-24 23:11:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2023-11-24 23:11:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:11:36,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:36,159 WARN L260 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 91 conjunts are in the unsatisfiable core [2023-11-24 23:11:36,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:36,520 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 23:11:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2023-11-24 23:11:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2023-11-24 23:11:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:11:38,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:38,886 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 95 conjunts are in the unsatisfiable core [2023-11-24 23:11:38,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:39,299 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 23:11:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2023-11-24 23:11:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2023-11-24 23:11:41,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:11:41,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:41,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:41,729 WARN L260 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-24 23:11:41,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:42,140 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 23:11:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2023-11-24 23:11:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2023-11-24 23:11:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:11:44,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:44,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:44,832 WARN L260 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 103 conjunts are in the unsatisfiable core [2023-11-24 23:11:44,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:45,272 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 23:11:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2023-11-24 23:11:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2023-11-24 23:11:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:11:47,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,913 WARN L260 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 107 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:48,294 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 23:11:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2023-11-24 23:11:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2023-11-24 23:11:51,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:11:51,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:51,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,332 WARN L260 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 111 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:51,797 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 23:11:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 58 states and 109 transitions. [2023-11-24 23:11:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions. [2023-11-24 23:11:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:11:55,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:55,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:55,067 WARN L260 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-24 23:11:55,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:55,580 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 23:11:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2023-11-24 23:11:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2023-11-24 23:11:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:11:58,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:59,054 WARN L260 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 119 conjunts are in the unsatisfiable core [2023-11-24 23:11:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:59,598 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 23:12:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2023-11-24 23:12:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2023-11-24 23:12:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:12:03,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:03,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:03,323 WARN L260 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 123 conjunts are in the unsatisfiable core [2023-11-24 23:12:03,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.