./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:25:17,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:25:17,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:25:17,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:25:17,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:25:17,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:25:17,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:25:17,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:25:17,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:25:17,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:25:17,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:25:17,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:25:17,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:25:17,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:25:17,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:25:17,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:25:17,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:25:17,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:25:17,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:25:17,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:25:17,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:25:17,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:25:17,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:25:17,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:25:17,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:25:17,180 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:25:17,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:25:17,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:25:17,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:25:17,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:25:17,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:25:17,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:25:17,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:25:17,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:25:17,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:25:17,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:25:17,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:25:17,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:25:17,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:25:17,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:25:17,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:25:17,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:25:17,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:25:17,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:25:17,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:25:17,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:25:17,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:25:17,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:25:17,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:25:17,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:25:17,236 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:25:17,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:25:17,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:25:17,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:25:17,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:25:17,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:25:17,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:25:17,238 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:25:17,238 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:25:17,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:25:17,239 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:25:17,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:25:17,239 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:25:17,239 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:25:17,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:25:17,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:17,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:25:17,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:25:17,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:25:17,241 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:25:17,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:25:17,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:25:17,241 INFO L138 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_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 [2022-11-20 17:25:17,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:25:17,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:25:17,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:25:17,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:25:17,572 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:25:17,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2022-11-20 17:25:20,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:25:20,834 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:25:20,835 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2022-11-20 17:25:20,844 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/data/cb5ff04c1/daa9851044fc4c78bad8d0a7ab1aaff3/FLAG004e23406 [2022-11-20 17:25:20,859 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/data/cb5ff04c1/daa9851044fc4c78bad8d0a7ab1aaff3 [2022-11-20 17:25:20,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:25:20,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:25:20,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:20,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:25:20,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:25:20,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:20" (1/1) ... [2022-11-20 17:25:20,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@789ca93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:20, skipping insertion in model container [2022-11-20 17:25:20,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:20" (1/1) ... [2022-11-20 17:25:20,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:25:20,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:25:21,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:21,044 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:25:21,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:21,070 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:25:21,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21 WrapperNode [2022-11-20 17:25:21,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:21,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:21,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:25:21,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:25:21,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,104 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-11-20 17:25:21,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:21,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:25:21,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:25:21,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:25:21,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,144 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:25:21,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:25:21,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:25:21,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:25:21,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:21,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:25:21,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:25:21,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60d845c3-f32d-4c3f-8613-c3d95f8ff72f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:25:21,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:25:21,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:25:21,296 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:25:21,297 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:25:21,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:25:21,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:25:21,572 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:25:21,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:21 BoogieIcfgContainer [2022-11-20 17:25:21,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:25:21,577 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:25:21,577 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:25:21,588 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:25:21,588 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:21" (1/1) ... [2022-11-20 17:25:21,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:25:21,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2022-11-20 17:25:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2022-11-20 17:25:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:25:21,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:21,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:21,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:25:21,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2022-11-20 17:25:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-11-20 17:25:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:25:21,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:21,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:21,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 17:25:21,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-11-20 17:25:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-20 17:25:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:25:21,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:21,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:21,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:25:21,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:22,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2022-11-20 17:25:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-11-20 17:25:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:25:22,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:22,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:22,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 17:25:22,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 81 transitions. [2022-11-20 17:25:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2022-11-20 17:25:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:25:22,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:22,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:22,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:25:22,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 71 states and 86 transitions. [2022-11-20 17:25:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-11-20 17:25:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:25:22,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:22,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:22,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:25:22,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:22,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:22,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2022-11-20 17:25:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-11-20 17:25:22,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:25:22,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:22,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:22,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:25:22,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2022-11-20 17:25:23,431 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-11-20 17:25:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:25:23,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:23,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:25:23,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2022-11-20 17:25:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2022-11-20 17:25:24,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:25:24,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:24,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:24,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:25:24,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 113 transitions. [2022-11-20 17:25:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 113 transitions. [2022-11-20 17:25:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:25:24,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:24,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:24,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 90 states and 115 transitions. [2022-11-20 17:25:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2022-11-20 17:25:24,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:25:24,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:24,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:24,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:25:24,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 92 states and 117 transitions. [2022-11-20 17:25:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 117 transitions. [2022-11-20 17:25:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:25:24,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:24,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:24,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:24,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:24,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 93 states and 119 transitions. [2022-11-20 17:25:24,492 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2022-11-20 17:25:24,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:25:24,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:24,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:24,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:25:24,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:25,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 132 transitions. [2022-11-20 17:25:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 132 transitions. [2022-11-20 17:25:25,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:25:25,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:25,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:25,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:25,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:25,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:25,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 138 transitions. [2022-11-20 17:25:25,238 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2022-11-20 17:25:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:25:25,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:25,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:25,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:25,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 105 states and 139 transitions. [2022-11-20 17:25:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 139 transitions. [2022-11-20 17:25:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:25:25,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:25,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:25,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:25,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:25,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 106 states and 141 transitions. [2022-11-20 17:25:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 141 transitions. [2022-11-20 17:25:25,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:25:25,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:25,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:25,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 17:25:25,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:25,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:25,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 108 states and 143 transitions. [2022-11-20 17:25:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 143 transitions. [2022-11-20 17:25:25,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:25:25,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:25,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:25,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:25,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:25,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:27,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:27,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2022-11-20 17:25:27,798 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2022-11-20 17:25:27,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:25:27,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:27,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:27,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:27,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:27,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:28,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:28,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2022-11-20 17:25:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2022-11-20 17:25:28,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:25:28,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:28,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:28,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:28,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 116 states and 164 transitions. [2022-11-20 17:25:28,230 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 164 transitions. [2022-11-20 17:25:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:25:28,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:28,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:28,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:28,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 120 states and 175 transitions. [2022-11-20 17:25:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 175 transitions. [2022-11-20 17:25:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:25:30,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:30,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:30,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:30,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 123 states and 180 transitions. [2022-11-20 17:25:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 180 transitions. [2022-11-20 17:25:30,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:25:30,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:30,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:30,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:30,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:31,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:31,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 124 states and 182 transitions. [2022-11-20 17:25:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2022-11-20 17:25:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:31,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:31,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:31,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:31,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:31,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 130 states and 194 transitions. [2022-11-20 17:25:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 194 transitions. [2022-11-20 17:25:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:32,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:32,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:32,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 133 states and 196 transitions. [2022-11-20 17:25:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 196 transitions. [2022-11-20 17:25:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:33,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:33,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:33,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:33,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:34,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:34,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 134 states and 197 transitions. [2022-11-20 17:25:34,539 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2022-11-20 17:25:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:25:34,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:34,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:34,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:34,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:38,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 140 states and 211 transitions. [2022-11-20 17:25:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 211 transitions. [2022-11-20 17:25:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:25:38,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:38,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:38,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 210 transitions. [2022-11-20 17:25:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2022-11-20 17:25:39,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:25:39,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:39,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:39,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:39,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:39,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 146 states and 224 transitions. [2022-11-20 17:25:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 224 transitions. [2022-11-20 17:25:46,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:46,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:46,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:46,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:46,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:53,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 152 states and 240 transitions. [2022-11-20 17:25:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 240 transitions. [2022-11-20 17:25:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:53,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:53,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:53,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:53,272 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 250 transitions. [2022-11-20 17:25:57,464 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 250 transitions. [2022-11-20 17:25:57,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:57,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:57,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:57,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:58,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 159 states and 252 transitions. [2022-11-20 17:25:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 252 transitions. [2022-11-20 17:25:58,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:58,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:58,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:58,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:58,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2022-11-20 17:25:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2022-11-20 17:25:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:25:58,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:58,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:58,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:25:58,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:25:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:02,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:02,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 166 states and 259 transitions. [2022-11-20 17:26:02,100 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 259 transitions. [2022-11-20 17:26:02,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:26:02,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:02,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:26:02,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:04,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 171 states and 266 transitions. [2022-11-20 17:26:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 266 transitions. [2022-11-20 17:26:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:11,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:11,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:11,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:26:11,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:11,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:24,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:24,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 175 states and 279 transitions. [2022-11-20 17:26:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 279 transitions. [2022-11-20 17:26:24,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:24,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:24,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:24,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:26:24,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 182 states and 290 transitions. [2022-11-20 17:26:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 290 transitions. [2022-11-20 17:26:31,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:31,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:31,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:26:31,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:38,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 188 states and 297 transitions. [2022-11-20 17:26:38,944 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 297 transitions. [2022-11-20 17:26:38,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:38,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:26:38,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:48,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 197 states and 311 transitions. [2022-11-20 17:26:48,582 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 311 transitions. [2022-11-20 17:26:48,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:26:48,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:48,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:48,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:26:48,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:51,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 199 states and 315 transitions. [2022-11-20 17:26:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 315 transitions. [2022-11-20 17:26:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:26:51,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:51,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:51,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:26:51,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:26:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 210 states and 335 transitions. [2022-11-20 17:27:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 335 transitions. [2022-11-20 17:27:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:27:10,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:10,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:27:10,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:27:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:18,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 213 states and 338 transitions. [2022-11-20 17:27:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 338 transitions. [2022-11-20 17:27:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:27:18,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:18,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:18,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:27:18,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:27:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:28,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 215 states and 340 transitions. [2022-11-20 17:27:28,186 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 340 transitions. [2022-11-20 17:27:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:27:28,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:28,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:28,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:27:28,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:27:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 227 states and 360 transitions. [2022-11-20 17:27:41,690 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 360 transitions. [2022-11-20 17:27:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:27:41,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:41,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:41,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:27:41,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:27:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 230 states and 363 transitions. [2022-11-20 17:27:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 363 transitions. [2022-11-20 17:27:50,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:27:50,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:50,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:50,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:27:50,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:27:50,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:08,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 243 states and 384 transitions. [2022-11-20 17:28:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 384 transitions. [2022-11-20 17:28:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:28:08,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:08,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:28:08,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:28:08,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:22,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 246 states and 387 transitions. [2022-11-20 17:28:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2022-11-20 17:28:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:28:22,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:22,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:22,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 17:28:22,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:28:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:25,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 248 states and 389 transitions. [2022-11-20 17:28:25,698 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 389 transitions. [2022-11-20 17:28:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:28:25,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:25,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:25,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:28:25,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:28:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:44,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 262 states and 412 transitions. [2022-11-20 17:28:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 412 transitions. [2022-11-20 17:28:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:28:44,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:44,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:44,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:28:44,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:28:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 265 states and 415 transitions. [2022-11-20 17:28:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 415 transitions. [2022-11-20 17:28:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:28:52,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:52,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:28:52,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:28:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 280 states and 454 transitions. [2022-11-20 17:29:40,659 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 454 transitions. [2022-11-20 17:29:40,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:29:40,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:40,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:29:40,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:29:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 284 states and 457 transitions. [2022-11-20 17:30:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 457 transitions. [2022-11-20 17:30:14,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:30:14,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:14,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:14,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 17:30:14,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:30:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:30:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:30:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 285 states and 457 transitions. [2022-11-20 17:30:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 457 transitions. [2022-11-20 17:30:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:30:15,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:30:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:30:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:30:15,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:30:15,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:30:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:32:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 295 states and 471 transitions. [2022-11-20 17:32:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 471 transitions. [2022-11-20 17:32:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:32:28,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:28,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:32:28,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:32:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:34:01,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 17:36:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 288 states and 462 transitions. [2022-11-20 17:36:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 462 transitions. [2022-11-20 17:36:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:36:31,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:31,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:31,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:36:31,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:36:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 285 states and 456 transitions. [2022-11-20 17:36:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 456 transitions. [2022-11-20 17:36:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:36:37,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:37,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:36:37,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:36:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:37:29,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:29,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 293 states and 469 transitions. [2022-11-20 17:37:29,307 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 469 transitions. [2022-11-20 17:37:29,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:37:29,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:29,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:37:29,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:37:29,384 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:38:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 289 states and 461 transitions. [2022-11-20 17:38:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 461 transitions. [2022-11-20 17:38:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:38:07,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:07,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:07,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:38:07,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:38:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 285 states and 453 transitions. [2022-11-20 17:38:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 453 transitions. [2022-11-20 17:38:07,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:38:07,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:07,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:07,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:38:07,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:07,693 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:38:48,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:48,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2022-11-20 17:38:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2022-11-20 17:38:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:38:48,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:48,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:48,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:38:48,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:38:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:39:38,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:38,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 289 states and 458 transitions. [2022-11-20 17:39:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 458 transitions. [2022-11-20 17:39:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:39:38,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:38,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:39:38,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:38,329 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:39:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 285 states and 450 transitions. [2022-11-20 17:39:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 450 transitions. [2022-11-20 17:39:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:39:38,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:38,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:38,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 17:39:38,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 17:39:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 17:40:12,172 WARN L233 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 31 DAG size of output: 30 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)