./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/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_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- 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 22:39:06,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:39:06,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:39:06,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:39:06,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:39:06,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:39:06,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:39:06,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:39:06,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:39:06,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:39:06,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:39:06,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:39:06,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:39:06,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:39:06,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:39:06,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:39:06,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:39:06,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:39:06,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:39:06,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:39:06,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:39:06,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:39:06,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:39:06,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:39:06,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:39:06,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:39:06,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:39:06,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:39:06,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:39:06,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:39:06,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:39:06,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:39:06,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:39:06,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:39:06,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:39:06,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:39:06,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:39:06,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:39:06,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:39:06,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:39:06,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:39:06,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:39:06,461 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:39:06,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:39:06,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:39:06,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:39:06,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:39:06,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:39:06,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:39:06,463 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:39:06,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:39:06,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:39:06,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:39:06,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:39:06,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:39:06,465 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:39:06,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:39:06,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:39:06,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:39:06,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:39:06,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:39:06,466 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:39:06,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:39:06,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:39:06,466 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_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2022-12-14 22:39:06,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:39:06,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:39:06,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:39:06,643 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:39:06,643 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:39:06,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2022-12-14 22:39:09,227 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:39:09,380 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:39:09,380 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2022-12-14 22:39:09,384 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/data/2b4f61bac/57828b05639d44728737c8750a996dd5/FLAG8bf32a5fe [2022-12-14 22:39:09,800 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/data/2b4f61bac/57828b05639d44728737c8750a996dd5 [2022-12-14 22:39:09,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:39:09,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:39:09,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:39:09,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:39:09,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:39:09,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7ab1a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09, skipping insertion in model container [2022-12-14 22:39:09,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:39:09,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:39:09,920 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_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c[458,471] [2022-12-14 22:39:09,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:39:09,937 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:39:09,946 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_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c[458,471] [2022-12-14 22:39:09,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:39:09,958 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:39:09,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09 WrapperNode [2022-12-14 22:39:09,959 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:39:09,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:39:09,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:39:09,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:39:09,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,980 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-12-14 22:39:09,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:39:09,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:39:09,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:39:09,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:39:09,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,992 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:39:09,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:39:09,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:39:09,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:39:09,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:39:09" (1/1) ... [2022-12-14 22:39:09,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:39:10,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:39:10,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:39:10,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:39:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:39:10,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:39:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:39:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:39:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:39:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:39:10,092 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:39:10,093 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:39:10,173 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:39:10,193 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:39:10,193 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:39:10,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:10 BoogieIcfgContainer [2022-12-14 22:39:10,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:39:10,196 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:39:10,196 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:39:10,203 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:39:10,204 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:10" (1/1) ... [2022-12-14 22:39:10,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:39:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-12-14 22:39:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-14 22:39:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 22:39:10,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:10,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 22:39:10,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:10,436 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 22:39:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:10,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-12-14 22:39:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-12-14 22:39:10,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 22:39:10,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:10,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:10,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 22:39:10,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:39:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2022-12-14 22:39:11,114 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2022-12-14 22:39:11,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:39:11,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:11,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 22:39:11,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 22:39:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-12-14 22:39:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-12-14 22:39:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:39:11,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:11,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:11,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:11,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-12-14 22:39:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-12-14 22:39:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:39:11,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:11,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 22:39:11,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-12-14 22:39:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-12-14 22:39:12,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:39:12,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:12,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:12,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:39:12,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-12-14 22:39:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-12-14 22:39:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:39:12,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:12,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:12,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:12,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 22:39:12,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2022-12-14 22:39:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-12-14 22:39:12,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:39:12,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:12,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:39:12,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:12,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:39:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:13,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2022-12-14 22:39:13,468 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-12-14 22:39:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 22:39:13,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:13,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:13,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 22:39:13,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 22:39:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 27 states and 36 transitions. [2022-12-14 22:39:14,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-12-14 22:39:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:39:14,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:14,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:14,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:14,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 22:39:14,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 20 states and 27 transitions. [2022-12-14 22:39:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-12-14 22:39:14,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:39:14,697 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2022-12-14 22:39:14,703 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 22:39:14,781 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:39:14,784 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:39:14,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:39:14 ImpRootNode [2022-12-14 22:39:14,785 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:39:14,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:39:14,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:39:14,785 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:39:14,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:39:10" (3/4) ... [2022-12-14 22:39:14,788 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:39:14,791 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 22:39:14,793 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 22:39:14,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 22:39:14,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 22:39:14,794 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:39:14,816 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:39:14,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:39:14,817 INFO L158 Benchmark]: Toolchain (without parser) took 5013.91ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 106.8MB in the beginning and 75.0MB in the end (delta: 31.7MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,818 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:39:14,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.88ms. Allocated memory is still 140.5MB. Free memory was 106.4MB in the beginning and 96.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.88ms. Allocated memory is still 140.5MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,819 INFO L158 Benchmark]: Boogie Preprocessor took 12.36ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:39:14,819 INFO L158 Benchmark]: RCFGBuilder took 201.57ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 81.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,820 INFO L158 Benchmark]: CodeCheck took 4589.03ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 77.1MB in the end (delta: 4.8MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,820 INFO L158 Benchmark]: Witness Printer took 31.67ms. Allocated memory is still 174.1MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:39:14,822 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 426 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 234 mSDsCounter, 439 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1241 IncrementalHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 439 mSolverCounterUnsat, 106 mSDtfsCounter, 1241 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1810 GetRequests, 1696 SyntacticMatches, 16 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3615 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 777 SizeOfPredicates, 24 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 124/162 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: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.88ms. Allocated memory is still 140.5MB. Free memory was 106.4MB in the beginning and 96.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.88ms. Allocated memory is still 140.5MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.36ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 93.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 201.57ms. Allocated memory is still 140.5MB. Free memory was 93.4MB in the beginning and 81.9MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4589.03ms. Allocated memory was 140.5MB in the beginning and 174.1MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 77.1MB in the end (delta: 4.8MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Witness Printer took 31.67ms. Allocated memory is still 174.1MB. Free memory was 77.1MB in the beginning and 75.0MB 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! [2022-12-14 22:39:14,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64e0bc36-c6ec-4bc5-8212-e1ab8585cd92/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