./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_3.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_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/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_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/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_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/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 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 --- 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 16:22:46,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:22:46,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:22:46,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:22:46,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:22:46,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:22:46,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:22:46,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:22:46,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:22:46,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:22:46,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:22:46,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:22:46,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:22:46,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:22:46,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:22:46,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:22:46,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:22:46,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:22:46,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:22:46,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:22:46,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:22:46,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:22:46,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:22:46,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:22:46,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:22:46,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:22:46,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:22:46,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:22:46,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:22:46,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:22:46,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:22:46,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:22:46,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:22:46,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:22:46,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:22:46,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:22:46,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:22:46,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:22:46,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:22:46,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:22:46,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:22:46,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:22:46,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:22:46,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:22:46,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:22:46,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:22:46,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:22:46,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:22:46,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:22:46,140 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:22:46,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:22:46,140 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:22:46,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:22:46,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:22:46,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:22:46,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:22:46,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:22:46,141 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:22:46,142 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:22:46,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:22:46,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:46,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:22:46,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:22:46,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:22:46,143 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:22:46,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:22:46,143 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:22:46,143 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_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a30debb45adf4eb2040807436dec0136066a492a6c11eb0dbebd1f179f328d9 [2022-12-14 16:22:46,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:22:46,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:22:46,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:22:46,355 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:22:46,355 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:22:46,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-simple/nested_3.c [2022-12-14 16:22:49,026 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:22:49,150 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:22:49,151 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/sv-benchmarks/c/loop-simple/nested_3.c [2022-12-14 16:22:49,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/data/06ba4b732/9bdd515318644e92a87c3014c4423414/FLAG533330c63 [2022-12-14 16:22:49,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/data/06ba4b732/9bdd515318644e92a87c3014c4423414 [2022-12-14 16:22:49,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:22:49,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:22:49,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:49,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:22:49,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:22:49,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c7f266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49, skipping insertion in model container [2022-12-14 16:22:49,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:22:49,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:22:49,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2022-12-14 16:22:49,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:49,302 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:22:49,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/sv-benchmarks/c/loop-simple/nested_3.c[784,797] [2022-12-14 16:22:49,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:22:49,324 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:22:49,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49 WrapperNode [2022-12-14 16:22:49,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:22:49,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:49,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:22:49,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:22:49,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,351 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-12-14 16:22:49,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:22:49,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:22:49,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:22:49,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:22:49,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:22:49,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:22:49,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:22:49,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:22:49,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:22:49,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:22:49,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:22:49,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:22:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:22:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:22:49,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:22:49,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:22:49,472 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:22:49,474 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:22:49,563 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:22:49,589 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:22:49,589 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 16:22:49,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:49 BoogieIcfgContainer [2022-12-14 16:22:49,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:22:49,593 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:22:49,593 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:22:49,604 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:22:49,604 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:49" (1/1) ... [2022-12-14 16:22:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:22:49,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-12-14 16:22:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-12-14 16:22:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:22:49,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:49,819 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 16:22:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2022-12-14 16:22:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2022-12-14 16:22:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:22:49,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:49,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:49,898 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 16:22:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 16:22:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 16:22:49,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:22:49,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:49,969 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 16:22:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-14 16:22:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-14 16:22:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:22:49,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:22:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 16:22:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 16:22:50,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:22:50,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:22:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-12-14 16:22:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-12-14 16:22:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:22:50,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 16:22:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 16:22:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 16:22:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:22:50,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:22:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 16:22:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 16:22:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:22:50,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:22:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-12-14 16:22:50,702 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-12-14 16:22:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:22:50,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 16:22:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-12-14 16:22:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-14 16:22:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:22:50,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:22:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2022-12-14 16:22:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-12-14 16:22:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:22:50,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:22:51,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-12-14 16:22:51,371 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-12-14 16:22:51,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:22:51,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:51,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:22:51,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-12-14 16:22:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-12-14 16:22:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:22:51,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:51,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 16:22:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-12-14 16:22:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-12-14 16:22:51,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:22:51,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:51,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 16:22:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:52,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2022-12-14 16:22:52,175 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2022-12-14 16:22:52,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:22:52,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 16:22:52,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:52,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2022-12-14 16:22:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-12-14 16:22:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:22:52,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:52,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 16:22:52,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 69 states and 94 transitions. [2022-12-14 16:22:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2022-12-14 16:22:52,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:22:52,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-14 16:22:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 78 states and 107 transitions. [2022-12-14 16:22:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 107 transitions. [2022-12-14 16:22:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:22:53,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:53,805 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 16:22:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:53,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 68 states and 92 transitions. [2022-12-14 16:22:53,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 92 transitions. [2022-12-14 16:22:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 16:22:53,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:53,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-14 16:22:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2022-12-14 16:22:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-12-14 16:22:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:22:54,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:54,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:22:54,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2022-12-14 16:22:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2022-12-14 16:22:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 16:22:54,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:54,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 16:22:55,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 79 states and 108 transitions. [2022-12-14 16:22:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 108 transitions. [2022-12-14 16:22:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 16:22:55,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:55,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:55,557 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-14 16:22:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 81 states and 109 transitions. [2022-12-14 16:22:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-12-14 16:22:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 16:22:55,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:55,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 16:22:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:56,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 89 states and 120 transitions. [2022-12-14 16:22:56,495 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions. [2022-12-14 16:22:56,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 16:22:56,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-14 16:22:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 91 states and 121 transitions. [2022-12-14 16:22:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2022-12-14 16:22:56,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 16:22:56,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:56,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 45 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 16:22:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:56,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 92 states and 123 transitions. [2022-12-14 16:22:56,877 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 123 transitions. [2022-12-14 16:22:56,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 16:22:56,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:56,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 16:22:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 93 states and 123 transitions. [2022-12-14 16:22:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 123 transitions. [2022-12-14 16:22:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 16:22:57,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:57,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 16:22:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:22:59,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 116 states and 160 transitions. [2022-12-14 16:22:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 160 transitions. [2022-12-14 16:22:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 16:22:59,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:22:59,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:22:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:22:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-12-14 16:23:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:02,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 139 states and 196 transitions. [2022-12-14 16:23:02,353 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 196 transitions. [2022-12-14 16:23:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 16:23:02,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:02,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 16:23:02,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:02,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 141 states and 197 transitions. [2022-12-14 16:23:02,587 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 197 transitions. [2022-12-14 16:23:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 16:23:02,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 16:23:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 143 states and 198 transitions. [2022-12-14 16:23:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 198 transitions. [2022-12-14 16:23:02,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 16:23:02,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:02,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:02,938 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 16:23:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 145 states and 199 transitions. [2022-12-14 16:23:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 199 transitions. [2022-12-14 16:23:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 16:23:03,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:03,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:03,192 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 16:23:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 147 states and 200 transitions. [2022-12-14 16:23:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 200 transitions. [2022-12-14 16:23:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 16:23:03,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-14 16:23:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 148 states and 202 transitions. [2022-12-14 16:23:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 202 transitions. [2022-12-14 16:23:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 16:23:03,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:03,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:03,960 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-12-14 16:23:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 157 states and 214 transitions. [2022-12-14 16:23:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2022-12-14 16:23:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 16:23:05,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:05,294 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 16:23:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 166 states and 226 transitions. [2022-12-14 16:23:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2022-12-14 16:23:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 16:23:06,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:06,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-12-14 16:23:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 168 states and 227 transitions. [2022-12-14 16:23:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 227 transitions. [2022-12-14 16:23:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 16:23:06,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-14 16:23:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2022-12-14 16:23:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2022-12-14 16:23:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-14 16:23:07,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:07,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-14 16:23:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 192 states and 264 transitions. [2022-12-14 16:23:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 264 transitions. [2022-12-14 16:23:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 16:23:11,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:11,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-12-14 16:23:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 194 states and 265 transitions. [2022-12-14 16:23:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 265 transitions. [2022-12-14 16:23:12,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 16:23:12,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-12-14 16:23:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 196 states and 266 transitions. [2022-12-14 16:23:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 266 transitions. [2022-12-14 16:23:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 16:23:12,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:12,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-12-14 16:23:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 196 states and 265 transitions. [2022-12-14 16:23:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 265 transitions. [2022-12-14 16:23:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-12-14 16:23:12,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:12,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2022-12-14 16:23:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2022-12-14 16:23:14,731 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2022-12-14 16:23:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 16:23:14,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:23:14,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:23:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:23:14,753 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-12-14 16:23:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:23:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 156 transitions. [2022-12-14 16:23:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2022-12-14 16:23:15,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:23:15,189 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 44 iterations. [2022-12-14 16:23:15,196 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-14 16:23:16,016 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2022-12-14 16:23:16,026 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-12-14 16:23:16,027 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2022-12-14 16:23:16,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:23:16 ImpRootNode [2022-12-14 16:23:16,027 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:23:16,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:23:16,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:23:16,028 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:23:16,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:22:49" (3/4) ... [2022-12-14 16:23:16,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:23:16,039 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-12-14 16:23:16,039 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 16:23:16,040 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:23:16,040 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:23:16,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:23:16,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:23:16,072 INFO L158 Benchmark]: Toolchain (without parser) took 26904.30ms. Allocated memory was 136.3MB in the beginning and 318.8MB in the end (delta: 182.5MB). Free memory was 101.8MB in the beginning and 221.0MB in the end (delta: -119.3MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,073 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:23:16,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.14ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 91.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.37ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 89.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:23:16,073 INFO L158 Benchmark]: Boogie Preprocessor took 14.62ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,074 INFO L158 Benchmark]: RCFGBuilder took 224.95ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 78.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,074 INFO L158 Benchmark]: CodeCheck took 26434.34ms. Allocated memory was 136.3MB in the beginning and 318.8MB in the end (delta: 182.5MB). Free memory was 78.2MB in the beginning and 224.1MB in the end (delta: -145.9MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,075 INFO L158 Benchmark]: Witness Printer took 43.87ms. Allocated memory is still 318.8MB. Free memory was 224.1MB in the beginning and 221.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:23:16,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 44, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7566 SdHoareTripleChecker+Valid, 21.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6918 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 18.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4924 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24482 IncrementalHoareTripleChecker+Invalid, 29406 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4924 mSolverCounterUnsat, 250 mSDtfsCounter, 24482 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13056 GetRequests, 12476 SyntacticMatches, 8 SemanticMatches, 572 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170332 ImplicationChecksByTransitivity, 22.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1590 NumberOfCodeBlocks, 1590 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 1547 ConstructedInterpolants, 0 QuantifiedInterpolants, 3767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 43 InterpolantComputations, 31 PerfectInterpolantSequences, 5183/5811 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: ((((((0 <= a + 2147483648 && !(1 <= b)) && 0 <= b + 2147483648) && 0 <= c + 2147483648) && !(1 <= a)) || ((((0 <= a + 2147483648 && b <= 5) && 1 <= b) && 0 <= c + 2147483648) && !(1 <= a))) || ((((a <= 5 && b <= 5) && 1 <= b) && 1 <= a) && 0 <= c + 2147483648)) || ((((a <= 5 && !(1 <= b)) && 1 <= a) && 0 <= b + 2147483648) && 0 <= c + 2147483648) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 <= a + 2147483648 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a <= 5 && 1 <= a) && 0 <= b + 2147483648) || ((0 <= a + 2147483648 && 0 <= b + 2147483648) && !(1 <= a)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.14ms. Allocated memory is still 136.3MB. Free memory was 101.3MB in the beginning and 91.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.37ms. Allocated memory is still 136.3MB. Free memory was 91.3MB in the beginning and 89.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.62ms. Allocated memory is still 136.3MB. Free memory was 89.9MB in the beginning and 88.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 224.95ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 78.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 26434.34ms. Allocated memory was 136.3MB in the beginning and 318.8MB in the end (delta: 182.5MB). Free memory was 78.2MB in the beginning and 224.1MB in the end (delta: -145.9MB). Peak memory consumption was 191.6MB. Max. memory is 16.1GB. * Witness Printer took 43.87ms. Allocated memory is still 318.8MB. Free memory was 224.1MB in the beginning and 221.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:23:16,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21cb27fb-9b94-4b0a-9a51-7cd801ba3344/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE