./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL --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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:16:03,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:16:03,745 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:16:03,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:16:03,754 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:16:03,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:16:03,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:16:03,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:16:03,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:16:03,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:16:03,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:16:03,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:16:03,793 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:16:03,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:16:03,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:16:03,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:16:03,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:16:03,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:16:03,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:16:03,798 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:16:03,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:16:03,799 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:16:03,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:16:03,801 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:16:03,801 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:16:03,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:16:03,802 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:16:03,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:16:03,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:03,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:16:03,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:16:03,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:16:03,807 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:16:03,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:16:03,808 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:16:03,808 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_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2023-11-19 03:16:04,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:16:04,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:16:04,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:16:04,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:16:04,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:16:04,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-19 03:16:07,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:16:07,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:16:07,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-19 03:16:07,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/data/9d31c191e/4dff83fca3e74893b49741d6820d9c10/FLAGd2ac7b4be [2023-11-19 03:16:07,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/data/9d31c191e/4dff83fca3e74893b49741d6820d9c10 [2023-11-19 03:16:07,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:16:07,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:16:07,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:07,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:16:07,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:16:07,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b2cbd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:07, skipping insertion in model container [2023-11-19 03:16:07,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:16:07" (1/1) ... [2023-11-19 03:16:07,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:16:07,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:07,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:16:08,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:16:08,034 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:16:08,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08 WrapperNode [2023-11-19 03:16:08,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:16:08,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:08,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:16:08,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:16:08,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,080 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 121 [2023-11-19 03:16:08,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:16:08,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:16:08,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:16:08,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:16:08,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:16:08,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:16:08,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:16:08,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:16:08,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:16:08,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:16:08,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:16:08,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea4e55c6-d7a8-41e3-a206-1310b16740d5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:16:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:16:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:16:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:16:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:16:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:16:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:16:08,269 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:16:08,271 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:16:08,772 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:16:08,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:16:08,807 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:16:08,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:08 BoogieIcfgContainer [2023-11-19 03:16:08,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:16:08,818 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:16:08,818 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:16:08,826 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:16:08,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:16:08" (1/1) ... [2023-11-19 03:16:08,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:16:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:08,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-19 03:16:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-19 03:16:08,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:16:08,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2023-11-19 03:16:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-19 03:16:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:16:09,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2023-11-19 03:16:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-19 03:16:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:16:09,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2023-11-19 03:16:09,627 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-19 03:16:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:16:09,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2023-11-19 03:16:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-19 03:16:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:16:10,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 128 states and 131 transitions. [2023-11-19 03:16:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 131 transitions. [2023-11-19 03:16:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:16:10,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2023-11-19 03:16:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-19 03:16:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:16:10,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2023-11-19 03:16:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-19 03:16:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:16:10,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2023-11-19 03:16:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2023-11-19 03:16:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:16:11,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 137 states and 145 transitions. [2023-11-19 03:16:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 145 transitions. [2023-11-19 03:16:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:16:11,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 138 states and 146 transitions. [2023-11-19 03:16:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2023-11-19 03:16:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:16:11,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 145 states and 157 transitions. [2023-11-19 03:16:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 157 transitions. [2023-11-19 03:16:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:16:12,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 146 states and 158 transitions. [2023-11-19 03:16:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 158 transitions. [2023-11-19 03:16:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:16:12,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:12,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 149 states and 163 transitions. [2023-11-19 03:16:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-19 03:16:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:16:12,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:12,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:12,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:13,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-19 03:16:13,076 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-19 03:16:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:16:13,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 156 states and 175 transitions. [2023-11-19 03:16:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 175 transitions. [2023-11-19 03:16:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:16:13,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 160 states and 182 transitions. [2023-11-19 03:16:14,270 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 182 transitions. [2023-11-19 03:16:14,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:16:14,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 164 states and 188 transitions. [2023-11-19 03:16:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 188 transitions. [2023-11-19 03:16:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:16:14,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:15,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 168 states and 194 transitions. [2023-11-19 03:16:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 194 transitions. [2023-11-19 03:16:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:16:15,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:15,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:15,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:16:15,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 183 states and 214 transitions. [2023-11-19 03:16:19,128 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2023-11-19 03:16:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:16:19,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:22,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 199 states and 235 transitions. [2023-11-19 03:16:22,823 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 235 transitions. [2023-11-19 03:16:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:16:22,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:22,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:22,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:22,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 216 states and 257 transitions. [2023-11-19 03:16:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 257 transitions. [2023-11-19 03:16:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:16:25,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:25,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:25,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 234 states and 280 transitions. [2023-11-19 03:16:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 280 transitions. [2023-11-19 03:16:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:16:28,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:28,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:28,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:34,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 253 states and 304 transitions. [2023-11-19 03:16:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 304 transitions. [2023-11-19 03:16:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:16:34,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:34,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:34,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:16:34,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:39,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:39,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 273 states and 329 transitions. [2023-11-19 03:16:39,436 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 329 transitions. [2023-11-19 03:16:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:16:39,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:39,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 294 states and 357 transitions. [2023-11-19 03:16:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 357 transitions. [2023-11-19 03:16:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:16:44,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:44,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:44,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:44,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 316 states and 387 transitions. [2023-11-19 03:16:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 387 transitions. [2023-11-19 03:16:52,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:16:52,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:52,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:52,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:52,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 333 states and 411 transitions. [2023-11-19 03:16:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 411 transitions. [2023-11-19 03:16:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:55,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:55,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 334 states and 412 transitions. [2023-11-19 03:16:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 412 transitions. [2023-11-19 03:16:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:55,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:55,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:55,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:55,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:55,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:16:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 341 states and 426 transitions. [2023-11-19 03:16:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 426 transitions. [2023-11-19 03:16:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:58,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:58,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:58,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:58,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:17:01,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:17:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 348 states and 441 transitions. [2023-11-19 03:17:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 441 transitions. [2023-11-19 03:17:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:17:01,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:17:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:17:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:17:01,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:17:01,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:17:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.