./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 2329fc70 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_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 21:01:17,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:01:17,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:01:17,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:01:17,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:01:17,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:01:17,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:01:17,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:01:17,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:01:17,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:01:17,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:01:17,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:01:17,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:01:17,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:01:17,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:01:17,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:01:17,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:01:17,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:01:17,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:01:17,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:01:17,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:01:17,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:01:17,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:01:17,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:01:17,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:01:17,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:01:17,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:01:17,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:01:17,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:01:17,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:01:17,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:01:17,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:01:17,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:01:17,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:01:17,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:01:17,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:01:17,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:01:17,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:01:17,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:01:17,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:01:17,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:01:17,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 21:01:17,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:01:17,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:01:17,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:01:17,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:01:17,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:01:17,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:01:17,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:01:17,109 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:01:17,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:17,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:01:17,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:01:17,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:01:17,110 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:01:17,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:01:17,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:01:17,110 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_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e7687da568dfe273ac225f01dbc8df1f76ef15d8b8e5d222cf6fab4c622d621 [2022-12-14 21:01:17,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:01:17,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:01:17,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:01:17,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:01:17,288 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:01:17,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2022-12-14 21:01:19,984 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:01:20,150 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:01:20,150 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/sv-benchmarks/c/termination-nla/dijkstra2-both-nt.c [2022-12-14 21:01:20,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/data/64fbb8688/e9b7c1f04b78488eba89a3a446b4a892/FLAGe932ab5b4 [2022-12-14 21:01:20,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/data/64fbb8688/e9b7c1f04b78488eba89a3a446b4a892 [2022-12-14 21:01:20,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:01:20,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:01:20,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:20,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:01:20,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:01:20,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6cfbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20, skipping insertion in model container [2022-12-14 21:01:20,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:01:20,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:01:20,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:20,318 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:01:20,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:20,359 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:01:20,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20 WrapperNode [2022-12-14 21:01:20,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:20,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:20,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:01:20,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:01:20,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,393 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-12-14 21:01:20,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:20,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:01:20,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:01:20,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:01:20,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:01:20,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:01:20,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:01:20,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:01:20,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:01:20,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:01:20,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8fd9a7-1422-4282-83c5-f62e618ec17d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:01:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:01:20,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:01:20,525 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:01:20,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:01:20,711 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:01:20,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:01:20,723 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:01:20,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:20 BoogieIcfgContainer [2022-12-14 21:01:20,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:01:20,725 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:01:20,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:01:20,733 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:01:20,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:20" (1/1) ... [2022-12-14 21:01:20,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:01:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2022-12-14 21:01:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2022-12-14 21:01:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:01:20,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:20,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:20,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2022-12-14 21:01:20,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-12-14 21:01:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:01:20,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:20,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:20,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:01:20,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2022-12-14 21:01:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-12-14 21:01:20,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:01:20,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:20,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 21:01:20,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2022-12-14 21:01:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-12-14 21:01:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:01:21,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:21,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 21:01:21,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:21,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 68 states and 82 transitions. [2022-12-14 21:01:21,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2022-12-14 21:01:21,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:01:21,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:21,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:01:21,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 71 states and 86 transitions. [2022-12-14 21:01:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2022-12-14 21:01:21,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:01:21,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:21,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:01:21,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:21,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 72 states and 87 transitions. [2022-12-14 21:01:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 87 transitions. [2022-12-14 21:01:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:01:21,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:21,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:01:21,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2022-12-14 21:01:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-12-14 21:01:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:01:21,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:21,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:01:21,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 87 states and 110 transitions. [2022-12-14 21:01:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 110 transitions. [2022-12-14 21:01:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:01:22,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 114 transitions. [2022-12-14 21:01:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-12-14 21:01:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:01:22,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 118 transitions. [2022-12-14 21:01:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2022-12-14 21:01:22,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:01:22,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 93 states and 120 transitions. [2022-12-14 21:01:22,413 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2022-12-14 21:01:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:01:22,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 95 states and 122 transitions. [2022-12-14 21:01:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions. [2022-12-14 21:01:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:01:22,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 104 states and 135 transitions. [2022-12-14 21:01:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2022-12-14 21:01:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:01:22,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 105 states and 136 transitions. [2022-12-14 21:01:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2022-12-14 21:01:22,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:01:22,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:22,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:22,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:01:22,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 115 states and 149 transitions. [2022-12-14 21:01:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 149 transitions. [2022-12-14 21:01:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:01:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:23,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:23,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:23,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2022-12-14 21:01:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-12-14 21:01:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:01:23,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:23,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:23,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:23,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 119 states and 158 transitions. [2022-12-14 21:01:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 158 transitions. [2022-12-14 21:01:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:01:23,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:23,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:23,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:23,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 124 states and 171 transitions. [2022-12-14 21:01:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 171 transitions. [2022-12-14 21:01:24,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:01:24,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:24,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:24,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:24,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 126 states and 174 transitions. [2022-12-14 21:01:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2022-12-14 21:01:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:01:24,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:24,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:24,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:01:24,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2022-12-14 21:01:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2022-12-14 21:01:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:01:24,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:24,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:24,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:24,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 134 states and 190 transitions. [2022-12-14 21:01:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2022-12-14 21:01:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:01:25,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:25,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:25,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:25,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:25,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 136 states and 193 transitions. [2022-12-14 21:01:25,917 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 193 transitions. [2022-12-14 21:01:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:01:25,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:25,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:25,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:25,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:25,990 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2022-12-14 21:01:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2022-12-14 21:01:26,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:01:26,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:26,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:26,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:26,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 135 states and 192 transitions. [2022-12-14 21:01:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 192 transitions. [2022-12-14 21:01:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:01:26,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:26,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:26,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:26,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 142 states and 204 transitions. [2022-12-14 21:01:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 204 transitions. [2022-12-14 21:01:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:01:29,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:29,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:29,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:29,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2022-12-14 21:01:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2022-12-14 21:01:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:01:33,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:33,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:33,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:33,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:34,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2022-12-14 21:01:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2022-12-14 21:01:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:01:34,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:34,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:34,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:34,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:37,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 158 states and 227 transitions. [2022-12-14 21:01:37,697 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 227 transitions. [2022-12-14 21:01:37,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:01:37,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:37,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:37,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:45,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:45,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2022-12-14 21:01:45,035 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2022-12-14 21:01:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:01:45,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:45,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:45,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:45,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 169 states and 249 transitions. [2022-12-14 21:01:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 249 transitions. [2022-12-14 21:01:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:01:52,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:52,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:52,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:01:52,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:01:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:55,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 173 states and 254 transitions. [2022-12-14 21:01:55,669 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 254 transitions. [2022-12-14 21:01:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:01:55,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:55,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:01:55,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:01:55,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:01:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:03,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:03,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 177 states and 260 transitions. [2022-12-14 21:02:03,135 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 260 transitions. [2022-12-14 21:02:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:02:03,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:03,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:03,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:03,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:05,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 180 states and 270 transitions. [2022-12-14 21:02:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 270 transitions. [2022-12-14 21:02:05,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:02:05,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:05,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:05,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:05,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:12,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 187 states and 281 transitions. [2022-12-14 21:02:12,019 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 281 transitions. [2022-12-14 21:02:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:02:12,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:12,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:12,042 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:16,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 288 transitions. [2022-12-14 21:02:16,918 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2022-12-14 21:02:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:02:16,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:16,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:16,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:02:16,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:22,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 198 states and 295 transitions. [2022-12-14 21:02:22,890 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 295 transitions. [2022-12-14 21:02:22,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:02:22,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:22,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:22,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:22,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:33,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:33,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 199 states and 296 transitions. [2022-12-14 21:02:33,653 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 296 transitions. [2022-12-14 21:02:33,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:02:33,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:33,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:33,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:33,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:02:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:02:54,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 210 states and 317 transitions. [2022-12-14 21:02:54,543 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 317 transitions. [2022-12-14 21:02:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:02:54,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:02:54,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:02:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:02:54,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:02:54,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:02:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:03:19,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:03:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 214 states and 321 transitions. [2022-12-14 21:03:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 321 transitions. [2022-12-14 21:03:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:03:19,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:03:19,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:03:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:03:19,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:03:19,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:03:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:03:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:03:21,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 216 states and 323 transitions. [2022-12-14 21:03:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2022-12-14 21:03:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:03:21,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:03:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:03:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:03:21,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:03:21,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:03:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:03:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:03:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 228 states and 344 transitions. [2022-12-14 21:03:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 344 transitions. [2022-12-14 21:03:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:03:38,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:03:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:03:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:03:38,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:03:38,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:03:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:03:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:03:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 232 states and 348 transitions. [2022-12-14 21:03:53,826 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 348 transitions. [2022-12-14 21:03:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:03:53,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:03:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:03:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:03:53,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:03:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:03:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:04:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 245 states and 370 transitions. [2022-12-14 21:04:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2022-12-14 21:04:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:04:12,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:12,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:04:12,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:04:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:31,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 249 states and 374 transitions. [2022-12-14 21:04:31,441 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 374 transitions. [2022-12-14 21:04:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:04:31,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:31,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:31,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 21:04:31,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:04:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 254 states and 394 transitions. [2022-12-14 21:04:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 394 transitions. [2022-12-14 21:04:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:04:50,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:50,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:50,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:04:50,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:52,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:05:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 268 states and 417 transitions. [2022-12-14 21:05:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 417 transitions. [2022-12-14 21:05:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:05:09,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:09,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:05:09,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:05:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:20,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 272 states and 422 transitions. [2022-12-14 21:05:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 422 transitions. [2022-12-14 21:05:20,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:05:20,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:20,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:20,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 21:05:20,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:05:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:21,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 273 states and 423 transitions. [2022-12-14 21:05:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 423 transitions. [2022-12-14 21:05:21,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:05:21,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:21,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:21,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:05:21,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:06:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:06,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 288 states and 459 transitions. [2022-12-14 21:06:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 459 transitions. [2022-12-14 21:06:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:06:06,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:06,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:06:06,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:06:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:06:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 295 states and 466 transitions. [2022-12-14 21:06:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 466 transitions. [2022-12-14 21:06:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 21:06:38,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:38,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 21:06:38,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:06:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:06:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 296 states and 466 transitions. [2022-12-14 21:06:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 466 transitions. [2022-12-14 21:06:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:06:39,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:39,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:39,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:06:39,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:06:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:07:45,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:08:11,834 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 29 DAG size of output: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:08:57,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:08:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 306 states and 480 transitions. [2022-12-14 21:08:57,803 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 480 transitions. [2022-12-14 21:08:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:08:57,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:08:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:08:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:08:57,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:08:57,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:08:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:09:35,743 WARN L233 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:11:36,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:14:09,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:14:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 300 states and 473 transitions. [2022-12-14 21:14:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 473 transitions. [2022-12-14 21:14:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:14:33,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:33,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:33,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:14:33,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:14:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:14:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:14:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 301 states and 473 transitions. [2022-12-14 21:14:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 473 transitions. [2022-12-14 21:14:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:14:48,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:14:48,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:14:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:14:48,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:14:48,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:14:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:15:01,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 296 states and 464 transitions. [2022-12-14 21:15:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 464 transitions. [2022-12-14 21:15:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:15:01,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:01,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:01,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:15:01,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:15:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:15:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:15:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 306 states and 478 transitions. [2022-12-14 21:15:35,266 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 478 transitions. [2022-12-14 21:15:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:15:35,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:15:35,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:15:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:15:35,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:15:35,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:15:35,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:16:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:16:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 301 states and 472 transitions. [2022-12-14 21:16:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 472 transitions. [2022-12-14 21:16:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:16:33,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:16:33,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:16:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:16:33,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 21:16:33,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:16:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.