./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV --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 cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:31,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:32,042 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:54:32,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:32,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:32,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:32,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:32,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:32,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:32,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:32,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:32,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:32,105 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:32,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:32,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:32,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:32,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:32,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:32,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:32,109 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:32,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:32,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:32,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:32,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:32,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:32,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:32,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:32,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:32,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:32,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:32,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:32,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:32,116 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_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d [2023-11-11 23:54:32,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:32,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:32,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:32,478 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:32,479 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:32,480 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-11 23:54:35,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:35,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:35,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-11 23:54:35,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/data/6961d4688/92bbaedefca44350972e78de84113594/FLAG2181582ac [2023-11-11 23:54:35,900 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/data/6961d4688/92bbaedefca44350972e78de84113594 [2023-11-11 23:54:35,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:35,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:35,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:35,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:35,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:35,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:35" (1/1) ... [2023-11-11 23:54:35,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7efce34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:35, skipping insertion in model container [2023-11-11 23:54:35,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:35" (1/1) ... [2023-11-11 23:54:35,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:36,095 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_48926226-5084-42da-ae1b-b45deee1b4fa/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-11-11 23:54:36,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:36,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:36,128 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_48926226-5084-42da-ae1b-b45deee1b4fa/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i[951,964] [2023-11-11 23:54:36,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:36,146 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:36,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36 WrapperNode [2023-11-11 23:54:36,147 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:36,148 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:36,148 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:36,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:36,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,186 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-11-11 23:54:36,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:36,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:36,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:36,188 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:36,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,203 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,205 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:36,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:36,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:36,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:36,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:36,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:36,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:36,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48926226-5084-42da-ae1b-b45deee1b4fa/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:54:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:54:36,373 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:36,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:36,610 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:36,678 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:36,684 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:54:36,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:36 BoogieIcfgContainer [2023-11-11 23:54:36,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:36,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:36,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:36,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:36,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:36" (1/1) ... [2023-11-11 23:54:36,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:54:36,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-11 23:54:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-11 23:54:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:54:36,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:36,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:36,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:36,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-11 23:54:36,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-11 23:54:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-11 23:54:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:54:36,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:37,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-11 23:54:37,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:37,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:37,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2023-11-11 23:54:37,136 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2023-11-11 23:54:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:54:37,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:37,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:37,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:54:37,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:37,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:37,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:37,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-11 23:54:37,421 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-11 23:54:37,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:54:37,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:37,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:37,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:54:37,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-11 23:54:38,530 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-11 23:54:38,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:54:38,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:38,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:38,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:54:38,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:38,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2023-11-11 23:54:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2023-11-11 23:54:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:54:38,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:38,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-11 23:54:38,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2023-11-11 23:54:40,255 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-11 23:54:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:54:40,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:40,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:54:40,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:54:41,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:41,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2023-11-11 23:54:41,448 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2023-11-11 23:54:41,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:54:41,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:41,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:54:41,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2023-11-11 23:54:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2023-11-11 23:54:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:54:42,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:42,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:54:42,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 102 transitions. [2023-11-11 23:54:43,996 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2023-11-11 23:54:43,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:54:43,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:43,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:44,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:54:44,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:44,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:44,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 110 transitions. [2023-11-11 23:54:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 110 transitions. [2023-11-11 23:54:44,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:44,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:44,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:44,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:54:44,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2023-11-11 23:54:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2023-11-11 23:54:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:45,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:45,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:54:45,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 139 transitions. [2023-11-11 23:54:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 139 transitions. [2023-11-11 23:54:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:49,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:49,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:49,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:54:49,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 151 transitions. [2023-11-11 23:54:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2023-11-11 23:54:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:50,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:50,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-11 23:54:50,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 160 transitions. [2023-11-11 23:54:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2023-11-11 23:54:51,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:51,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:51,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:51,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-11 23:54:51,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 74 states and 167 transitions. [2023-11-11 23:54:52,723 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 167 transitions. [2023-11-11 23:54:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:54:52,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:52,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:54:52,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:54:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:53,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 77 states and 174 transitions. [2023-11-11 23:54:53,517 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 174 transitions. [2023-11-11 23:54:53,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:54:53,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:53,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:53,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-11 23:54:53,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 83 states and 192 transitions. [2023-11-11 23:54:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 192 transitions. [2023-11-11 23:54:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:54:56,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:56,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:56,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-11 23:54:56,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:59,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:59,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 88 states and 211 transitions. [2023-11-11 23:54:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 211 transitions. [2023-11-11 23:54:59,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:54:59,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:59,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:59,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:54:59,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:54:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:54:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:54:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 90 states and 225 transitions. [2023-11-11 23:54:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 225 transitions. [2023-11-11 23:54:59,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:54:59,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:54:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:54:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:54:59,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:54:59,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 98 states and 248 transitions. [2023-11-11 23:55:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 248 transitions. [2023-11-11 23:55:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:55:04,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:04,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:04,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-11 23:55:04,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:05,293 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:06,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:06,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 100 states and 250 transitions. [2023-11-11 23:55:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 250 transitions. [2023-11-11 23:55:06,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:55:06,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:06,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:06,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:55:06,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 101 states and 255 transitions. [2023-11-11 23:55:08,457 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 255 transitions. [2023-11-11 23:55:08,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:55:08,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:08,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:08,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-11 23:55:08,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 104 states and 273 transitions. [2023-11-11 23:55:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 273 transitions. [2023-11-11 23:55:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:55:10,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:10,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:10,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:55:10,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 107 states and 288 transitions. [2023-11-11 23:55:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 288 transitions. [2023-11-11 23:55:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:55:12,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:12,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-11 23:55:12,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:55:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 110 states and 295 transitions. [2023-11-11 23:55:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 295 transitions. [2023-11-11 23:55:13,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:13,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:13,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:55:13,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 116 states and 318 transitions. [2023-11-11 23:55:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 318 transitions. [2023-11-11 23:55:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:16,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:16,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:16,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:55:16,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:20,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:20,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 121 states and 344 transitions. [2023-11-11 23:55:20,392 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 344 transitions. [2023-11-11 23:55:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:20,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:20,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:20,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:55:20,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:20,578 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:24,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 126 states and 354 transitions. [2023-11-11 23:55:24,596 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 354 transitions. [2023-11-11 23:55:24,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:24,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:24,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-11 23:55:24,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 126 states and 353 transitions. [2023-11-11 23:55:25,231 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 353 transitions. [2023-11-11 23:55:25,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:25,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:25,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:25,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-11 23:55:25,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:27,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 128 states and 357 transitions. [2023-11-11 23:55:27,834 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 357 transitions. [2023-11-11 23:55:27,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:27,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:27,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:27,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-11 23:55:27,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:28,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 130 states and 377 transitions. [2023-11-11 23:55:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 377 transitions. [2023-11-11 23:55:28,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:55:28,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:28,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:28,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-11 23:55:28,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:55:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.