./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:11:48,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:11:48,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:11:48,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:11:48,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:11:48,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:11:48,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:11:48,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:11:48,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:11:48,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:11:48,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:11:48,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:11:48,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:11:48,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:11:48,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:11:48,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:11:48,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:11:48,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:11:48,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:11:48,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:11:48,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:11:48,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:11:48,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:11:48,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:11:48,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:11:48,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:11:48,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:11:48,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:11:48,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:11:48,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:11:48,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:11:48,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:11:48,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:11:48,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:11:48,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:11:48,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:11:48,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:11:48,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:11:48,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:11:48,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:11:48,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:11:48,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:11:48,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:11:48,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:11:48,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:11:48,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:11:48,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:11:48,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:11:48,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:11:48,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:11:48,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:11:48,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:11:48,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:11:48,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:11:48,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:11:48,190 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:11:48,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:11:48,191 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:11:48,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:11:48,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:11:48,192 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:11:48,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:11:48,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:48,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:11:48,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:11:48,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:11:48,193 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:11:48,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:11:48,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:11:48,194 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_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59f8de3095dec84b471ea17a2f8054509a628ca6c3fce9f023768548ca2b0891 [2022-11-20 17:11:48,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:11:48,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:11:48,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:11:48,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:11:48,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:11:48,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2022-11-20 17:11:51,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:11:51,737 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:11:51,737 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3.c [2022-11-20 17:11:51,741 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/data/0823783d8/bbbaa8a71bd5440280f18e9140af3288/FLAG6bf409f11 [2022-11-20 17:11:51,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/data/0823783d8/bbbaa8a71bd5440280f18e9140af3288 [2022-11-20 17:11:51,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:11:51,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:11:51,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:51,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:11:51,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:11:51,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:51" (1/1) ... [2022-11-20 17:11:51,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123f37d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:51, skipping insertion in model container [2022-11-20 17:11:51,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:51" (1/1) ... [2022-11-20 17:11:51,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:11:51,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:11:51,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:51,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:11:51,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:52,007 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:11:52,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52 WrapperNode [2022-11-20 17:11:52,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:52,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:52,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:11:52,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:11:52,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,038 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-20 17:11:52,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:52,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:11:52,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:11:52,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:11:52,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:11:52,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:11:52,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:11:52,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:11:52,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:52,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:11:52,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:11:52,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:11:52,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:11:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:11:52,225 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:11:52,227 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:11:52,368 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:11:52,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:11:52,385 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:11:52,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:11:52 BoogieIcfgContainer [2022-11-20 17:11:52,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:11:52,389 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:11:52,389 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:11:52,400 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:11:52,400 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:11:52" (1/1) ... [2022-11-20 17:11:52,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:11:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-11-20 17:11:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-11-20 17:11:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:11:52,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:52,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-11-20 17:11:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-11-20 17:11:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:11:52,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-11-20 17:11:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-11-20 17:11:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:11:52,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:52,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-20 17:11:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-20 17:11:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:11:53,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:53,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:11:53,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-11-20 17:11:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-11-20 17:11:53,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:11:53,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:53,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:11:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2022-11-20 17:11:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-11-20 17:11:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:11:53,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:53,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:11:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:54,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2022-11-20 17:11:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-11-20 17:11:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:54,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:54,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:11:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:55,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2022-11-20 17:11:55,405 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-11-20 17:11:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:55,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:55,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:11:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2022-11-20 17:11:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2022-11-20 17:11:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:55,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:55,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:11:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2022-11-20 17:11:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2022-11-20 17:11:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:11:56,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:56,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:11:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 118 transitions. [2022-11-20 17:11:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2022-11-20 17:11:57,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:11:57,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:57,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:11:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2022-11-20 17:11:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2022-11-20 17:11:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:11:57,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:57,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:11:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2022-11-20 17:11:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2022-11-20 17:11:57,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:11:57,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:57,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:11:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 70 states and 128 transitions. [2022-11-20 17:11:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2022-11-20 17:11:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:11:58,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:58,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:11:58,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2022-11-20 17:11:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2022-11-20 17:11:58,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:11:58,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:58,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:11:58,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 74 states and 133 transitions. [2022-11-20 17:11:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 133 transitions. [2022-11-20 17:11:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:11:58,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:58,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:11:59,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 82 states and 152 transitions. [2022-11-20 17:11:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 152 transitions. [2022-11-20 17:11:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:11:59,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:59,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:59,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:11:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 83 states and 152 transitions. [2022-11-20 17:11:59,561 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 152 transitions. [2022-11-20 17:11:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:11:59,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:11:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 150 transitions. [2022-11-20 17:11:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 150 transitions. [2022-11-20 17:11:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:11:59,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:59,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:59,897 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 17:12:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:00,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 90 states and 162 transitions. [2022-11-20 17:12:00,370 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 162 transitions. [2022-11-20 17:12:00,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:12:00,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:00,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:12:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 161 transitions. [2022-11-20 17:12:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 161 transitions. [2022-11-20 17:12:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:12:00,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:00,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 17:12:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 173 transitions. [2022-11-20 17:12:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2022-11-20 17:12:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:12:01,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,400 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:12:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 97 states and 175 transitions. [2022-11-20 17:12:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2022-11-20 17:12:01,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:12:01,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:12:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2022-11-20 17:12:02,169 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2022-11-20 17:12:02,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:12:02,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 17:12:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 100 states and 179 transitions. [2022-11-20 17:12:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 179 transitions. [2022-11-20 17:12:02,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:12:02,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:12:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:02,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 101 states and 179 transitions. [2022-11-20 17:12:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 179 transitions. [2022-11-20 17:12:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:12:02,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:02,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-20 17:12:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 124 states and 222 transitions. [2022-11-20 17:12:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 222 transitions. [2022-11-20 17:12:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:12:05,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:05,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-20 17:12:05,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 125 states and 222 transitions. [2022-11-20 17:12:05,818 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 222 transitions. [2022-11-20 17:12:05,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:12:05,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:05,848 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 17:12:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 128 states and 227 transitions. [2022-11-20 17:12:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 227 transitions. [2022-11-20 17:12:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:06,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:06,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 17:12:07,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 132 states and 233 transitions. [2022-11-20 17:12:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2022-11-20 17:12:07,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:07,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:12:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:08,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 138 states and 242 transitions. [2022-11-20 17:12:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 242 transitions. [2022-11-20 17:12:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:08,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-20 17:12:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 137 states and 240 transitions. [2022-11-20 17:12:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 240 transitions. [2022-11-20 17:12:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:08,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:08,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-20 17:12:09,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 143 states and 252 transitions. [2022-11-20 17:12:09,512 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2022-11-20 17:12:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:09,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:09,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:09,536 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 17:12:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:10,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 262 transitions. [2022-11-20 17:12:10,716 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 262 transitions. [2022-11-20 17:12:10,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:10,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:10,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 17:12:11,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 148 states and 250 transitions. [2022-11-20 17:12:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 250 transitions. [2022-11-20 17:12:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:12:11,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:11,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 17:12:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 151 states and 255 transitions. [2022-11-20 17:12:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 255 transitions. [2022-11-20 17:12:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:12:11,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:11,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-11-20 17:12:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2022-11-20 17:12:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2022-11-20 17:12:12,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:12,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:12,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:12,039 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 17:12:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 151 states and 253 transitions. [2022-11-20 17:12:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 253 transitions. [2022-11-20 17:12:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:12,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:12,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 17:12:12,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 152 states and 253 transitions. [2022-11-20 17:12:12,697 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 253 transitions. [2022-11-20 17:12:12,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:12,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:12,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 17:12:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 153 states and 253 transitions. [2022-11-20 17:12:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 253 transitions. [2022-11-20 17:12:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:13,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:13,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-11-20 17:12:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2022-11-20 17:12:13,984 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2022-11-20 17:12:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:12:13,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-20 17:12:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2022-11-20 17:12:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2022-11-20 17:12:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:12:14,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:14,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2022-11-20 17:12:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 163 states and 267 transitions. [2022-11-20 17:12:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 267 transitions. [2022-11-20 17:12:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:12:15,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:15,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:15,114 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 17:12:15,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2022-11-20 17:12:15,496 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2022-11-20 17:12:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 17:12:15,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:15,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-20 17:12:16,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 168 states and 273 transitions. [2022-11-20 17:12:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 273 transitions. [2022-11-20 17:12:16,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:12:16,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 17:12:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:17,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2022-11-20 17:12:17,238 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-11-20 17:12:17,239 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:12:17,239 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2022-11-20 17:12:17,246 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:12:18,108 INFO L560 CodeCheckObserver]: Invariant with dag size 34 [2022-11-20 17:12:18,124 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:12:18,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:12:18 ImpRootNode [2022-11-20 17:12:18,129 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:12:18,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:12:18,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:12:18,130 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:12:18,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:11:52" (3/4) ... [2022-11-20 17:12:18,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:12:18,151 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 17:12:18,151 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:12:18,152 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:12:18,211 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:12:18,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:12:18,216 INFO L158 Benchmark]: Toolchain (without parser) took 26456.35ms. Allocated memory was 130.0MB in the beginning and 310.4MB in the end (delta: 180.4MB). Free memory was 67.5MB in the beginning and 107.7MB in the end (delta: -40.1MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,216 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:18,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.51ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 67.3MB in the beginning and 142.8MB in the end (delta: -75.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.07ms. Allocated memory is still 178.3MB. Free memory was 142.8MB in the beginning and 141.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,218 INFO L158 Benchmark]: Boogie Preprocessor took 18.13ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 140.7MB in the end (delta: 798.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:12:18,218 INFO L158 Benchmark]: RCFGBuilder took 330.06ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 129.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,220 INFO L158 Benchmark]: CodeCheck took 25739.84ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 129.9MB in the beginning and 109.8MB in the end (delta: 20.1MB). Peak memory consumption was 153.7MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,220 INFO L158 Benchmark]: Witness Printer took 86.06ms. Allocated memory is still 310.4MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:12:18,222 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.8s, OverallIterations: 46, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8039 SdHoareTripleChecker+Valid, 44.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7644 mSDsluCounter, 1378 SdHoareTripleChecker+Invalid, 36.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1110 mSDsCounter, 5008 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27523 IncrementalHoareTripleChecker+Invalid, 32531 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5008 mSolverCounterUnsat, 268 mSDtfsCounter, 27523 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8921 GetRequests, 8377 SyntacticMatches, 120 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91283 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 963 ConstructedInterpolants, 0 QuantifiedInterpolants, 2691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 16 PerfectInterpolantSequences, 1310/1794 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: 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((((((n <= 2147483647 && !(i <= 0)) && !(j <= 1)) && 1 <= m) && i <= 1) && m <= 2147483647) || (((((j <= 1 && n <= 2147483647) && !(i <= 1)) && i <= 2147483646) && 1 <= m) && !(j + 1 <= m))) || (((((n <= 2147483647 && j + 1 <= m) && !(i <= 1)) && i <= 2147483646) && !(j <= 0)) && m <= 2147483647)) || (((((n <= 2147483647 && j + 1 <= m) && !(i <= 0)) && !(j <= 0)) && i <= 1) && m <= 2147483647)) || (((((n <= 2147483647 && j + 1 <= m) && 0 <= j) && 0 <= i) && m <= 2147483647) && j <= 0)) || (((((j <= 1 && n <= 2147483647) && !(i <= 0)) && 1 <= m) && !(j + 1 <= m)) && i <= 1)) || (((((n <= 2147483647 && !(i <= 1)) && i <= 2147483646) && !(j <= 1)) && 1 <= m) && m <= 2147483647)) || (((((n <= 2147483647 && i <= 0) && 1 <= m) && 0 <= i) && !(j <= 0)) && m <= 2147483647) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 130.0MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.51ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 67.3MB in the beginning and 142.8MB in the end (delta: -75.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.07ms. Allocated memory is still 178.3MB. Free memory was 142.8MB in the beginning and 141.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.13ms. Allocated memory is still 178.3MB. Free memory was 141.5MB in the beginning and 140.7MB in the end (delta: 798.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.06ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 129.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 25739.84ms. Allocated memory was 178.3MB in the beginning and 310.4MB in the end (delta: 132.1MB). Free memory was 129.9MB in the beginning and 109.8MB in the end (delta: 20.1MB). Peak memory consumption was 153.7MB. Max. memory is 16.1GB. * Witness Printer took 86.06ms. Allocated memory is still 310.4MB. Free memory was 109.8MB in the beginning and 107.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:12:18,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_725d43e2-24f3-4b95-aa5b-144b0a0ab311/bin/ukojak-pZX7IvK2PQ/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