./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-simple/nested_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/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_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- 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 16:56:31,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:56:31,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:56:31,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:56:31,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:56:31,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:56:31,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:56:31,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:56:31,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:56:31,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:56:31,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:56:31,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:56:31,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:56:31,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:56:31,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:56:31,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:56:31,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:56:32,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:56:32,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:56:32,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:56:32,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:56:32,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:56:32,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:56:32,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:56:32,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:56:32,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:56:32,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:56:32,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:56:32,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:56:32,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:56:32,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:56:32,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:56:32,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:56:32,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:56:32,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:56:32,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:56:32,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:56:32,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:56:32,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:56:32,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:56:32,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:56:32,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:56:32,089 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:56:32,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:56:32,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:56:32,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:56:32,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:56:32,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:56:32,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:56:32,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:56:32,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:56:32,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:56:32,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:56:32,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:56:32,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:56:32,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:56:32,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:56:32,098 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:56:32,098 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:56:32,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:56:32,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:56:32,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:56:32,099 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:56:32,099 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:56:32,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:56:32,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:32,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:56:32,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:56:32,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:56:32,101 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:56:32,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:56:32,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:56:32,102 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_09889346-e0c2-4832-90c2-d14c616b2a31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2022-11-20 16:56:32,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:56:32,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:56:32,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:56:32,458 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:56:32,459 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:56:32,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-simple/nested_5.c [2022-11-20 16:56:35,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:56:35,705 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:56:35,706 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/sv-benchmarks/c/loop-simple/nested_5.c [2022-11-20 16:56:35,713 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/data/14d980546/c7213101e9c640a88cbdc484e3ff7d32/FLAGe1af6e338 [2022-11-20 16:56:35,730 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/data/14d980546/c7213101e9c640a88cbdc484e3ff7d32 [2022-11-20 16:56:35,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:56:35,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:56:35,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:35,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:56:35,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:56:35,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:35" (1/1) ... [2022-11-20 16:56:35,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f09334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:35, skipping insertion in model container [2022-11-20 16:56:35,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:56:35" (1/1) ... [2022-11-20 16:56:35,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:56:35,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:56:35,961 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_09889346-e0c2-4832-90c2-d14c616b2a31/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2022-11-20 16:56:35,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:35,973 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:56:35,987 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_09889346-e0c2-4832-90c2-d14c616b2a31/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2022-11-20 16:56:35,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:56:35,999 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:56:36,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36 WrapperNode [2022-11-20 16:56:36,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:56:36,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:36,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:56:36,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:56:36,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,033 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2022-11-20 16:56:36,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:56:36,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:56:36,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:56:36,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:56:36,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:56:36,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:56:36,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:56:36,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:56:36,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:56:36,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:56:36,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:56:36,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:56:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:56:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:56:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:56:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:56:36,213 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:56:36,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:56:36,358 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:56:36,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:56:36,397 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 16:56:36,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:36 BoogieIcfgContainer [2022-11-20 16:56:36,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:56:36,401 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:56:36,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:56:36,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:56:36,412 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:36" (1/1) ... [2022-11-20 16:56:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:56:36,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2022-11-20 16:56:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-11-20 16:56:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:56:36,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:36,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-11-20 16:56:36,692 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-20 16:56:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:56:36,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,742 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 16:56:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2022-11-20 16:56:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-20 16:56:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:56:36,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,846 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 16:56:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-11-20 16:56:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-20 16:56:36,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:56:36,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:36,939 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 16:56:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2022-11-20 16:56:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-20 16:56:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:56:36,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,077 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 16:56:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-11-20 16:56:37,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-20 16:56:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:56:37,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,169 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 16:56:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2022-11-20 16:56:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-20 16:56:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:37,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:56:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-11-20 16:56:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-20 16:56:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 16:56:37,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:56:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-11-20 16:56:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-11-20 16:56:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:56:37,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 16:56:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2022-11-20 16:56:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-11-20 16:56:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 16:56:37,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:37,849 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 16:56:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2022-11-20 16:56:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-11-20 16:56:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:56:38,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:38,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:56:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:38,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-11-20 16:56:38,344 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 16:56:38,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:56:38,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:56:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2022-11-20 16:56:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-20 16:56:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:56:38,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:38,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 16:56:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2022-11-20 16:56:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2022-11-20 16:56:38,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:56:38,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:38,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 16:56:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2022-11-20 16:56:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2022-11-20 16:56:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:56:39,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:56:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 69 transitions. [2022-11-20 16:56:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 69 transitions. [2022-11-20 16:56:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:56:39,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:56:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2022-11-20 16:56:39,525 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-11-20 16:56:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 16:56:39,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:39,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 16:56:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-11-20 16:56:39,810 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-11-20 16:56:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 16:56:39,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:39,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:39,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-20 16:56:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-11-20 16:56:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-11-20 16:56:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:56:40,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:40,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:40,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 16:56:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 72 transitions. [2022-11-20 16:56:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2022-11-20 16:56:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:56:43,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:43,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:43,245 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 16:56:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 73 transitions. [2022-11-20 16:56:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2022-11-20 16:56:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 16:56:43,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:43,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:43,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 16:56:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2022-11-20 16:56:46,538 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2022-11-20 16:56:46,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 16:56:46,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:46,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 16:56:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2022-11-20 16:56:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2022-11-20 16:56:46,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 16:56:46,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 16:56:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:47,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2022-11-20 16:56:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2022-11-20 16:56:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 16:56:47,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-20 16:56:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:50,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2022-11-20 16:56:50,629 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2022-11-20 16:56:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 16:56:50,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:50,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-20 16:56:55,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:56:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 114 states and 135 transitions. [2022-11-20 16:56:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions. [2022-11-20 16:56:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-20 16:56:55,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:56:55,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:56:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:56:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-20 16:57:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 137 states and 160 transitions. [2022-11-20 16:57:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2022-11-20 16:57:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 16:57:00,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:00,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:00,975 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 16:57:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 192 states and 227 transitions. [2022-11-20 16:57:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 227 transitions. [2022-11-20 16:57:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 16:57:14,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:14,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:14,754 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-20 16:57:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 193 states and 228 transitions. [2022-11-20 16:57:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 228 transitions. [2022-11-20 16:57:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 16:57:14,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-11-20 16:57:22,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 219 states and 262 transitions. [2022-11-20 16:57:22,002 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 262 transitions. [2022-11-20 16:57:22,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:57:22,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 182 proven. 1 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-11-20 16:57:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 220 states and 263 transitions. [2022-11-20 16:57:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 263 transitions. [2022-11-20 16:57:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 16:57:22,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:22,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 354 proven. 88 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2022-11-20 16:57:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:23,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 221 states and 263 transitions. [2022-11-20 16:57:23,300 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 263 transitions. [2022-11-20 16:57:23,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 16:57:23,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:23,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 358 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-11-20 16:57:31,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:31,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 168 states and 195 transitions. [2022-11-20 16:57:31,499 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2022-11-20 16:57:31,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 16:57:31,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-11-20 16:57:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:57:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 220 states and 256 transitions. [2022-11-20 16:57:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 256 transitions. [2022-11-20 16:57:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 16:57:52,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:57:52,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:57:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:57:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-11-20 16:58:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 271 states and 313 transitions. [2022-11-20 16:58:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 313 transitions. [2022-11-20 16:58:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 16:58:15,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 364 proven. 1 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-20 16:58:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:17,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 272 states and 314 transitions. [2022-11-20 16:58:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 314 transitions. [2022-11-20 16:58:17,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 16:58:17,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 725 proven. 0 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2022-11-20 16:58:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:44,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 326 states and 380 transitions. [2022-11-20 16:58:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 380 transitions. [2022-11-20 16:58:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-20 16:58:44,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:44,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 726 proven. 1 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2022-11-20 16:58:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 327 states and 381 transitions. [2022-11-20 16:58:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 381 transitions. [2022-11-20 16:58:45,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-20 16:58:45,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2781 backedges. 1442 proven. 360 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2022-11-20 16:58:46,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:58:46,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 328 states and 381 transitions. [2022-11-20 16:58:46,950 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 381 transitions. [2022-11-20 16:58:46,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-20 16:58:46,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:58:46,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:58:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:58:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2787 backedges. 1446 proven. 0 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2022-11-20 16:59:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:59:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 219 states and 250 transitions. [2022-11-20 16:59:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 250 transitions. [2022-11-20 16:59:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 16:59:20,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:59:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:59:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:59:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 0 proven. 1448 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2022-11-20 17:00:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:00:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 218 states and 248 transitions. [2022-11-20 17:00:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 248 transitions. [2022-11-20 17:00:40,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:00:40,183 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 41 iterations. [2022-11-20 17:00:40,193 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-11-20 17:00:43,776 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:00:43,787 INFO L560 CodeCheckObserver]: Invariant with dag size 55 [2022-11-20 17:00:43,803 INFO L560 CodeCheckObserver]: Invariant with dag size 35 [2022-11-20 17:00:43,817 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-11-20 17:00:43,822 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-11-20 17:00:43,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:00:43 ImpRootNode [2022-11-20 17:00:43,835 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:00:43,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:00:43,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:00:43,836 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:00:43,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:56:36" (3/4) ... [2022-11-20 17:00:43,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:00:43,871 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 17:00:43,872 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 17:00:43,872 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:00:43,872 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:00:43,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:00:43,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:00:43,966 INFO L158 Benchmark]: Toolchain (without parser) took 248230.39ms. Allocated memory was 134.2MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 71.0MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 670.3MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,969 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:00:43,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.16ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 70.8MB in the beginning and 151.7MB in the end (delta: -80.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.77ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 150.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:00:43,970 INFO L158 Benchmark]: Boogie Preprocessor took 21.53ms. Allocated memory is still 186.6MB. Free memory was 150.2MB in the beginning and 148.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,972 INFO L158 Benchmark]: RCFGBuilder took 342.95ms. Allocated memory is still 186.6MB. Free memory was 148.9MB in the beginning and 136.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,972 INFO L158 Benchmark]: CodeCheck took 247435.01ms. Allocated memory was 186.6MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 135.8MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 681.8MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,972 INFO L158 Benchmark]: Witness Printer took 127.78ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.5GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:43,974 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, 27 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 243.8s, OverallIterations: 41, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10669 SdHoareTripleChecker+Valid, 44.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9658 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 37.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4923 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31515 IncrementalHoareTripleChecker+Invalid, 36438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4923 mSolverCounterUnsat, 388 mSDtfsCounter, 31515 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17780 GetRequests, 16126 SyntacticMatches, 2 SemanticMatches, 1652 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1454243 ImplicationChecksByTransitivity, 235.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 2314 NumberOfCodeBlocks, 2314 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 2274 ConstructedInterpolants, 0 QuantifiedInterpolants, 5076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 25 PerfectInterpolantSequences, 14232/16609 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 <= a || a == 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((c == 0 && d <= 5) && a <= 5) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d) || ((((((((c <= 5 && d <= 5) && 1 <= c) && a <= 5) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d)) || ((((((c <= 5 && 1 <= c) && 1 <= e) && b <= 5) && 1 <= b) && d == 0) && a == 0)) || (((((((c == 0 && d <= 5) && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d) && e == 0)) || (((((c == 0 && b == 0) && d <= 5) && 1 <= d) && a == 0) && e == 0)) || ((((c == 0 && b == 0) && 1 <= e) && d == 0) && a == 0)) || ((((((c == 0 && b == 0) && d <= 5) && a <= 5) && 1 <= a) && 1 <= d) && e == 0)) || (((((((c <= 5 && d <= 5) && 1 <= c) && b <= 5) && 1 <= b) && 1 <= d) && a == 0) && e == 0)) || (((((c <= 5 && b == 0) && 1 <= c) && 1 <= e) && d == 0) && a == 0)) || ((((((((c <= 5 && d <= 5) && 1 <= c) && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d) && e == 0)) || ((((((c <= 5 && b == 0) && d <= 5) && 1 <= c) && 1 <= e) && 1 <= d) && a == 0)) || ((((((c <= 5 && b == 0) && d <= 5) && 1 <= c) && 1 <= d) && a == 0) && e == 0)) || (((((((c <= 5 && b == 0) && d <= 5) && 1 <= c) && a <= 5) && 1 <= a) && 1 <= d) && e == 0)) || ((((((c == 0 && a <= 5) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= a) && d == 0)) || ((((((c == 0 && d <= 5) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= d) && a == 0)) || (((((c <= 5 && b == 0) && 1 <= c) && d == 0) && a == 0) && e == 0)) || (((((c == 0 && 1 <= e) && b <= 5) && 1 <= b) && d == 0) && a == 0)) || ((((((c == 0 && b == 0) && d <= 5) && a <= 5) && 1 <= e) && 1 <= a) && 1 <= d)) || (((((((c <= 5 && 1 <= c) && a <= 5) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= a) && d == 0)) || (((((c == 0 && b == 0) && a <= 5) && 1 <= a) && d == 0) && e == 0)) || ((((((c <= 5 && b == 0) && 1 <= c) && a <= 5) && 1 <= e) && 1 <= a) && d == 0)) || (((((((c <= 5 && 1 <= c) && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && d == 0) && e == 0)) || ((((c == 0 && b == 0) && d == 0) && a == 0) && e == 0)) || (((((c == 0 && b == 0) && a <= 5) && 1 <= e) && 1 <= a) && d == 0)) || (((((((c <= 5 && d <= 5) && 1 <= c) && 1 <= e) && b <= 5) && 1 <= b) && 1 <= d) && a == 0)) || ((((((c <= 5 && 1 <= c) && b <= 5) && 1 <= b) && d == 0) && a == 0) && e == 0)) || (((((c == 0 && b <= 5) && 1 <= b) && d == 0) && a == 0) && e == 0)) || ((((((c == 0 && d <= 5) && b <= 5) && 1 <= b) && 1 <= d) && a == 0) && e == 0)) || (((((((c <= 5 && b == 0) && d <= 5) && 1 <= c) && a <= 5) && 1 <= e) && 1 <= a) && 1 <= d)) || (((((c == 0 && b == 0) && d <= 5) && 1 <= e) && 1 <= d) && a == 0)) || ((((((c == 0 && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && d == 0) && e == 0)) || ((((((c <= 5 && b == 0) && 1 <= c) && a <= 5) && 1 <= a) && d == 0) && e == 0) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((((((((((((c == 0 && b == 0) && 1 <= d) && a == 0) || ((((c == 0 && b == 0) && a <= 5) && 1 <= a) && 1 <= d)) || ((((c == 0 && b <= 5) && 1 <= b) && d == 0) && a == 0)) || ((((c <= 5 && b == 0) && 1 <= c) && 1 <= d) && a == 0)) || (((((c <= 5 && 1 <= c) && b <= 5) && 1 <= b) && 1 <= d) && a == 0)) || ((((c == 0 && b == 0) && a <= 5) && 1 <= a) && d == 0)) || ((((((c <= 5 && 1 <= c) && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d)) || ((((((c <= 5 && 1 <= c) && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && d == 0)) || (((((c == 0 && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && d == 0)) || ((((c == 0 && b <= 5) && 1 <= b) && 1 <= d) && a == 0)) || (((((c <= 5 && 1 <= c) && b <= 5) && 1 <= b) && d == 0) && a == 0)) || (((((c <= 5 && b == 0) && 1 <= c) && a <= 5) && 1 <= a) && d == 0)) || (((c == 0 && b == 0) && d == 0) && a == 0)) || (((((c == 0 && a <= 5) && b <= 5) && 1 <= b) && 1 <= a) && 1 <= d)) || ((((c <= 5 && b == 0) && 1 <= c) && d == 0) && a == 0)) || (((((c <= 5 && b == 0) && 1 <= c) && a <= 5) && 1 <= a) && 1 <= d) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((((((c == 0 && b == 0) && a <= 5) && 1 <= a) || (((c == 0 && b <= 5) && 1 <= b) && a == 0)) || ((((1 <= c && a <= 5) && b <= 5) && 1 <= b) && 1 <= a)) || (((b == 0 && 1 <= c) && a <= 5) && 1 <= a)) || ((b == 0 && 1 <= c) && a == 0)) || ((((c == 0 && a <= 5) && b <= 5) && 1 <= b) && 1 <= a)) || (((1 <= c && b <= 5) && 1 <= b) && a == 0)) || ((c == 0 && b == 0) && a == 0) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((a <= 5 && 1 <= b) && 1 <= a) || (1 <= b && a == 0)) || (b == 0 && a == 0)) || ((b == 0 && a <= 5) && 1 <= a) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 110.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.16ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 70.8MB in the beginning and 151.7MB in the end (delta: -80.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.77ms. Allocated memory is still 186.6MB. Free memory was 151.7MB in the beginning and 150.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.53ms. Allocated memory is still 186.6MB. Free memory was 150.2MB in the beginning and 148.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.95ms. Allocated memory is still 186.6MB. Free memory was 148.9MB in the beginning and 136.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 247435.01ms. Allocated memory was 186.6MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 135.8MB in the beginning and 2.5GB in the end (delta: -2.3GB). Peak memory consumption was 681.8MB. Max. memory is 16.1GB. * Witness Printer took 127.78ms. Allocated memory is still 3.2GB. Free memory was 2.5GB in the beginning and 2.5GB 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 17:00:44,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09889346-e0c2-4832-90c2-d14c616b2a31/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