./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/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_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/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_2023f643-0c73-43a5-b2b9-9f8731dc095d/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 a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:42:00,981 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:42:01,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:42:01,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:42:01,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:42:01,144 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:42:01,146 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:42:01,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:42:01,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:42:01,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:42:01,153 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:42:01,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:42:01,154 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:42:01,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:42:01,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:42:01,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:42:01,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:42:01,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:42:01,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:42:01,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:42:01,160 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:42:01,160 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:42:01,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:42:01,161 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:42:01,162 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:42:01,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:42:01,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:42:01,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:42:01,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:01,165 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:42:01,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:42:01,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:42:01,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:42:01,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:42:01,168 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:42:01,168 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_2023f643-0c73-43a5-b2b9-9f8731dc095d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 [2023-11-21 18:42:01,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:42:01,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:42:01,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:42:01,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:42:01,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:42:01,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2023-11-21 18:42:04,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:42:04,802 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:42:04,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2023-11-21 18:42:04,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/data/68f3f62d5/085dc29e78754db785d869765f09570d/FLAG89321b6b3 [2023-11-21 18:42:04,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/data/68f3f62d5/085dc29e78754db785d869765f09570d [2023-11-21 18:42:04,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:42:04,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:42:04,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:04,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:42:04,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:42:04,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573fc6d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:04, skipping insertion in model container [2023-11-21 18:42:04,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:42:04" (1/1) ... [2023-11-21 18:42:04,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:42:05,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:05,060 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:42:05,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:42:05,098 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:42:05,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05 WrapperNode [2023-11-21 18:42:05,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:42:05,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:05,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:42:05,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:42:05,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,147 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2023-11-21 18:42:05,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:42:05,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:42:05,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:42:05,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:42:05,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,184 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:42:05,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:42:05,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:42:05,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:42:05,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:42:05,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:42:05,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:42:05,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2023f643-0c73-43a5-b2b9-9f8731dc095d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:42:05,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:42:05,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:42:05,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:42:05,337 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:42:05,340 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:42:05,620 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:42:05,683 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:42:05,685 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:42:05,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:05 BoogieIcfgContainer [2023-11-21 18:42:05,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:42:05,689 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:42:05,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:42:05,700 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:42:05,700 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:42:05" (1/1) ... [2023-11-21 18:42:05,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:42:05,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 86 states and 97 transitions. [2023-11-21 18:42:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2023-11-21 18:42:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:42:05,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:05,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,055 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 18:42:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 88 states and 99 transitions. [2023-11-21 18:42:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2023-11-21 18:42:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:42:06,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,189 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 18:42:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2023-11-21 18:42:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2023-11-21 18:42:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:42:06,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,340 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 18:42:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2023-11-21 18:42:06,376 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-11-21 18:42:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:42:06,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,439 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 18:42:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 95 states and 110 transitions. [2023-11-21 18:42:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2023-11-21 18:42:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:42:06,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,735 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 18:42:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 96 states and 111 transitions. [2023-11-21 18:42:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-21 18:42:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:42:06,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:06,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:06,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:06,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:06,820 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 18:42:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 104 states and 124 transitions. [2023-11-21 18:42:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2023-11-21 18:42:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:42:07,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:07,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:07,301 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 18:42:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 105 states and 125 transitions. [2023-11-21 18:42:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 125 transitions. [2023-11-21 18:42:07,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:42:07,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:07,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:07,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:07,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:07,494 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 18:42:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 115 states and 140 transitions. [2023-11-21 18:42:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2023-11-21 18:42:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:42:08,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:08,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:08,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:08,251 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 18:42:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 126 states and 157 transitions. [2023-11-21 18:42:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 157 transitions. [2023-11-21 18:42:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:42:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:09,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 129 states and 163 transitions. [2023-11-21 18:42:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 163 transitions. [2023-11-21 18:42:09,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:42:09,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:09,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2023-11-21 18:42:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2023-11-21 18:42:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:42:09,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 133 states and 169 transitions. [2023-11-21 18:42:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 169 transitions. [2023-11-21 18:42:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:42:09,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:09,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:09,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:09,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2023-11-21 18:42:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2023-11-21 18:42:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:10,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:10,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:10,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:10,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 152 states and 222 transitions. [2023-11-21 18:42:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 222 transitions. [2023-11-21 18:42:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:42:11,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:11,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:11,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:11,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 166 states and 268 transitions. [2023-11-21 18:42:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 268 transitions. [2023-11-21 18:42:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:42:13,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:13,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:13,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:13,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:13,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:14,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 170 states and 274 transitions. [2023-11-21 18:42:14,633 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 274 transitions. [2023-11-21 18:42:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:42:14,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:14,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:14,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:14,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:16,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 185 states and 321 transitions. [2023-11-21 18:42:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 321 transitions. [2023-11-21 18:42:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:42:16,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:16,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:16,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:16,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:19,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 203 states and 353 transitions. [2023-11-21 18:42:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 353 transitions. [2023-11-21 18:42:19,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:42:19,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:19,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:42:19,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:42:21,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 211 states and 371 transitions. [2023-11-21 18:42:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 371 transitions. [2023-11-21 18:42:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:42:21,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:21,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:21,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:21,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:21,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 219 states and 390 transitions. [2023-11-21 18:42:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 390 transitions. [2023-11-21 18:42:23,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:42:23,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:23,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:23,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:23,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:23,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 228 states and 410 transitions. [2023-11-21 18:42:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 410 transitions. [2023-11-21 18:42:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:42:25,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:25,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:25,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:25,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 238 states and 431 transitions. [2023-11-21 18:42:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 431 transitions. [2023-11-21 18:42:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:42:27,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:27,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:27,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:27,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:42:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:29,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 249 states and 453 transitions. [2023-11-21 18:42:29,854 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2023-11-21 18:42:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:42:29,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:29,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:29,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:30,047 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 263 states and 493 transitions. [2023-11-21 18:42:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 493 transitions. [2023-11-21 18:42:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:42:34,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:34,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:34,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:39,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 278 states and 534 transitions. [2023-11-21 18:42:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 534 transitions. [2023-11-21 18:42:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:42:39,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:39,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:39,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:42:39,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:42,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 290 states and 571 transitions. [2023-11-21 18:42:42,737 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 571 transitions. [2023-11-21 18:42:42,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:42:42,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:42,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:42,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:42:42,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:48,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 307 states and 618 transitions. [2023-11-21 18:42:48,316 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 618 transitions. [2023-11-21 18:42:48,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:42:48,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:48,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:48,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:48,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 325 states and 663 transitions. [2023-11-21 18:42:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 663 transitions. [2023-11-21 18:42:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:42:54,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:54,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:54,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:42:54,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:55,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:42:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:42:56,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 327 states and 669 transitions. [2023-11-21 18:42:56,109 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 669 transitions. [2023-11-21 18:42:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:42:56,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:42:56,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:42:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:42:56,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:42:56,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:42:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.