./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:33:10,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:33:10,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:33:10,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:33:10,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:33:10,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:33:10,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:33:10,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:33:10,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:33:10,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:33:10,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:33:10,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:33:10,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:33:10,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:33:10,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:33:10,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:33:10,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:33:10,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:33:10,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:33:10,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:33:10,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:33:10,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:33:10,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:33:10,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:33:10,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:33:10,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:33:10,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:33:10,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:33:10,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:33:10,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:33:10,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:33:10,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:33:10,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:33:10,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:33:10,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:33:10,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:33:10,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:33:10,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:33:10,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:33:10,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:33:10,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:33:10,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 16:33:10,218 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:33:10,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:33:10,219 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:33:10,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:33:10,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:33:10,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:33:10,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:33:10,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:33:10,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:33:10,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:33:10,222 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:33:10,222 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:33:10,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:33:10,223 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:33:10,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:33:10,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:33:10,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:33:10,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:33:10,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:33:10,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:33:10,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:33:10,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:33:10,224 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:33:10,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:33:10,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:33:10,225 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_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2022-12-14 16:33:10,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:33:10,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:33:10,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:33:10,457 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:33:10,457 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:33:10,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2022-12-14 16:33:13,049 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:33:13,253 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:33:13,254 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2022-12-14 16:33:13,262 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/data/5d1843c21/8cd6ab3835bd4ef898aae70213d51f7a/FLAGad92e9f05 [2022-12-14 16:33:13,608 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/data/5d1843c21/8cd6ab3835bd4ef898aae70213d51f7a [2022-12-14 16:33:13,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:33:13,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:33:13,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:33:13,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:33:13,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:33:13,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68abb610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13, skipping insertion in model container [2022-12-14 16:33:13,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:33:13,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:33:13,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:33:13,851 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:33:13,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:33:13,909 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:33:13,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13 WrapperNode [2022-12-14 16:33:13,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:33:13,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:33:13,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:33:13,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:33:13,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,943 INFO L138 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2022-12-14 16:33:13,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:33:13,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:33:13,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:33:13,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:33:13,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:33:13,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:33:13,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:33:13,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:33:13,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:33:13" (1/1) ... [2022-12-14 16:33:13,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:33:13,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:33:13,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:33:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:33:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:33:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:33:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:33:14,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:33:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:33:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:33:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:33:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:33:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:33:14,029 INFO L130 BoogieDeclarations]: Found specification of procedure append [2022-12-14 16:33:14,029 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2022-12-14 16:33:14,103 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:33:14,105 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:33:14,320 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:33:14,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:33:14,397 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 16:33:14,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:14 BoogieIcfgContainer [2022-12-14 16:33:14,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:33:14,401 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:33:14,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:33:14,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:33:14,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:14" (1/1) ... [2022-12-14 16:33:14,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:33:14,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 16:33:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 16:33:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:33:14,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:14,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:33:14,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-12-14 16:33:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-12-14 16:33:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:33:14,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:14,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:33:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:15,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 16:33:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 16:33:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:33:15,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:15,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:33:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2022-12-14 16:33:15,331 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-12-14 16:33:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:33:15,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:15,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:33:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:15,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 16:33:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 16:33:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:33:15,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:15,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:33:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-12-14 16:33:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-12-14 16:33:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:33:15,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:15,914 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 16:33:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2022-12-14 16:33:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-14 16:33:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:33:16,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:16,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 16:33:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 39 transitions. [2022-12-14 16:33:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-12-14 16:33:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 16:33:16,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:16,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 16:33:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 42 transitions. [2022-12-14 16:33:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-12-14 16:33:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 16:33:16,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:16,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 16:33:16,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 34 transitions. [2022-12-14 16:33:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-12-14 16:33:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 16:33:16,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:16,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 16:33:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 35 transitions. [2022-12-14 16:33:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-12-14 16:33:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 16:33:17,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:17,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 16:33:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 41 transitions. [2022-12-14 16:33:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-14 16:33:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 16:33:17,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 16:33:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 47 transitions. [2022-12-14 16:33:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-12-14 16:33:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 16:33:18,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:18,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 16:33:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 52 transitions. [2022-12-14 16:33:18,742 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-12-14 16:33:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 16:33:18,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:18,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-12-14 16:33:19,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 55 transitions. [2022-12-14 16:33:19,205 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-12-14 16:33:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 16:33:19,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:19,480 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-12-14 16:33:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:19,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 54 transitions. [2022-12-14 16:33:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-12-14 16:33:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 16:33:19,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-12-14 16:33:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 49 transitions. [2022-12-14 16:33:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-12-14 16:33:20,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:33:20,023 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-12-14 16:33:20,030 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-14 16:33:20,085 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:33:20,088 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:33:20,088 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-14 16:33:20,092 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:33:20,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:33:20 ImpRootNode [2022-12-14 16:33:20,093 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:33:20,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:33:20,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:33:20,093 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:33:20,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:33:14" (3/4) ... [2022-12-14 16:33:20,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:33:20,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure append [2022-12-14 16:33:20,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-14 16:33:20,101 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 16:33:20,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:33:20,102 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:33:20,131 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:33:20,131 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:33:20,131 INFO L158 Benchmark]: Toolchain (without parser) took 6518.95ms. Allocated memory was 130.0MB in the beginning and 297.8MB in the end (delta: 167.8MB). Free memory was 98.1MB in the beginning and 178.2MB in the end (delta: -80.1MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,131 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:33:20,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.13ms. Allocated memory is still 130.0MB. Free memory was 98.1MB in the beginning and 81.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.15ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,132 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,132 INFO L158 Benchmark]: RCFGBuilder took 434.22ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 129.5MB in the end (delta: -52.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,133 INFO L158 Benchmark]: CodeCheck took 5692.17ms. Allocated memory was 161.5MB in the beginning and 297.8MB in the end (delta: 136.3MB). Free memory was 129.5MB in the beginning and 181.3MB in the end (delta: -51.8MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,133 INFO L158 Benchmark]: Witness Printer took 37.71ms. Allocated memory is still 297.8MB. Free memory was 181.3MB in the beginning and 178.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:33:20,135 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 2 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 981 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 363 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 508 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1454 IncrementalHoareTripleChecker+Invalid, 1962 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 508 mSolverCounterUnsat, 363 mSDtfsCounter, 1454 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2785 GetRequests, 2690 SyntacticMatches, 21 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2737 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 437 ConstructedInterpolants, 0 QuantifiedInterpolants, 669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 8 PerfectInterpolantSequences, 369/449 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: 579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 592]: 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: c == 0 || 1 <= c - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory was 105.0MB in the beginning and 105.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.13ms. Allocated memory is still 130.0MB. Free memory was 98.1MB in the beginning and 81.5MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.15ms. Allocated memory is still 130.0MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 130.0MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.22ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 129.5MB in the end (delta: -52.2MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 5692.17ms. Allocated memory was 161.5MB in the beginning and 297.8MB in the end (delta: 136.3MB). Free memory was 129.5MB in the beginning and 181.3MB in the end (delta: -51.8MB). Peak memory consumption was 84.4MB. Max. memory is 16.1GB. * Witness Printer took 37.71ms. Allocated memory is still 297.8MB. Free memory was 181.3MB in the beginning and 178.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:33:20,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7bb63d-88b6-43c6-bab4-b2f724fffc0d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE