./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:25:37,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:25:37,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:25:37,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:25:37,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:25:37,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:25:37,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:25:37,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:25:37,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:25:37,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:25:37,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:25:37,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:25:37,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:25:37,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:25:37,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:25:37,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:25:37,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:25:37,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:25:37,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:25:37,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:25:37,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:25:37,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:25:37,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:25:37,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:25:37,919 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:25:37,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:25:37,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:25:37,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:25:37,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:37,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:25:37,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:25:37,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:25:37,923 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:25:37,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:25:37,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:25:37,926 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_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 [2023-11-21 18:25:38,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:25:38,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:25:38,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:25:38,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:25:38,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:25:38,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-11-21 18:25:41,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:25:41,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:25:41,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2023-11-21 18:25:42,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/data/ab398181b/a6cede62ee0b4b5e90d0816c44a96603/FLAG112652547 [2023-11-21 18:25:42,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/data/ab398181b/a6cede62ee0b4b5e90d0816c44a96603 [2023-11-21 18:25:42,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:25:42,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:25:42,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:42,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:25:42,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:25:42,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c2f55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42, skipping insertion in model container [2023-11-21 18:25:42,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:25:42,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:42,276 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:25:42,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:25:42,313 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:25:42,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42 WrapperNode [2023-11-21 18:25:42,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:25:42,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:42,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:25:42,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:25:42,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,390 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-21 18:25:42,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:25:42,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:25:42,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:25:42,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:25:42,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,418 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:25:42,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:25:42,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:25:42,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:25:42,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:25:42" (1/1) ... [2023-11-21 18:25:42,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:25:42,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:25:42,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:25:42,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb8ad684-b6ea-4ac4-bf04-17453f3e514c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:25:42,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:25:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:25:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:25:42,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:25:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:25:42,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:25:42,605 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:25:42,611 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:25:42,943 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:25:43,031 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:25:43,031 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:25:43,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:43 BoogieIcfgContainer [2023-11-21 18:25:43,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:25:43,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:25:43,035 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:25:43,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:25:43,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:25:43" (1/1) ... [2023-11-21 18:25:43,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:25:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2023-11-21 18:25:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2023-11-21 18:25:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:43,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:25:43,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2023-11-21 18:25:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-21 18:25:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:25:43,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2023-11-21 18:25:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2023-11-21 18:25:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:25:43,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:43,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2023-11-21 18:25:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2023-11-21 18:25:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:44,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 53 states and 58 transitions. [2023-11-21 18:25:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2023-11-21 18:25:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:25:44,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2023-11-21 18:25:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2023-11-21 18:25:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:25:44,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:44,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:44,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:25:44,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2023-11-21 18:25:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2023-11-21 18:25:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:25:45,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:45,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:45,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:45,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2023-11-21 18:25:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2023-11-21 18:25:47,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:25:47,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:47,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:47,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:47,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2023-11-21 18:25:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-21 18:25:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:25:49,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:49,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:49,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:49,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:51,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 88 states and 118 transitions. [2023-11-21 18:25:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 118 transitions. [2023-11-21 18:25:51,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:25:51,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:51,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:51,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:51,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2023-11-21 18:25:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2023-11-21 18:25:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:25:53,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:53,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:53,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:54,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 101 states and 142 transitions. [2023-11-21 18:25:54,601 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 142 transitions. [2023-11-21 18:25:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:54,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:54,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:25:54,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:55,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 144 transitions. [2023-11-21 18:25:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2023-11-21 18:25:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:55,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:55,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:55,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:55,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 163 transitions. [2023-11-21 18:25:57,603 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2023-11-21 18:25:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:25:57,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:57,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:57,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:25:57,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:25:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:25:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 119 states and 177 transitions. [2023-11-21 18:25:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2023-11-21 18:25:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:25:59,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:25:59,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:25:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:25:59,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:25:59,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:25:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 128 states and 196 transitions. [2023-11-21 18:26:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-21 18:26:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:26:01,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:01,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:01,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:01,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:03,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:03,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 135 states and 210 transitions. [2023-11-21 18:26:03,677 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 210 transitions. [2023-11-21 18:26:03,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:26:03,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:03,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:03,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:03,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:03,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 230 transitions. [2023-11-21 18:26:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-11-21 18:26:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:26:07,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:07,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:07,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:07,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 147 states and 234 transitions. [2023-11-21 18:26:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 234 transitions. [2023-11-21 18:26:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:26:09,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:09,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:26:09,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 158 states and 263 transitions. [2023-11-21 18:26:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 263 transitions. [2023-11-21 18:26:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:26:12,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:12,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:12,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:12,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 272 transitions. [2023-11-21 18:26:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2023-11-21 18:26:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:13,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:13,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:13,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:13,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:13,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 165 states and 277 transitions. [2023-11-21 18:26:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 277 transitions. [2023-11-21 18:26:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:14,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:14,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:14,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:14,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 182 states and 328 transitions. [2023-11-21 18:26:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2023-11-21 18:26:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:26:18,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:18,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:18,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:26:18,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 331 transitions. [2023-11-21 18:26:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2023-11-21 18:26:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:26:19,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:19,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:19,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 377 transitions. [2023-11-21 18:26:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 377 transitions. [2023-11-21 18:26:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:26:24,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:24,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:26:24,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:25,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:25,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 206 states and 387 transitions. [2023-11-21 18:26:25,387 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 387 transitions. [2023-11-21 18:26:25,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:26:25,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:25,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:25,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:26:25,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:25,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 207 states and 392 transitions. [2023-11-21 18:26:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 392 transitions. [2023-11-21 18:26:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:26:26,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:26,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:26,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:26:26,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:30,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:30,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 216 states and 419 transitions. [2023-11-21 18:26:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 419 transitions. [2023-11-21 18:26:30,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:26:30,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:30,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:30,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:26:30,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:26:30,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.