./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/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_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/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_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/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 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec --- 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 18:01:35,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:01:35,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:01:35,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:01:35,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:01:35,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:01:35,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:01:35,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:01:35,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:01:35,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:01:35,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:01:35,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:01:35,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:01:35,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:01:35,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:01:35,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:01:35,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:01:35,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:01:35,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:01:35,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:01:35,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:01:35,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:01:35,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:01:35,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:01:35,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:01:35,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:01:35,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:01:35,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:01:35,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:01:35,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:01:35,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:01:35,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:01:35,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:01:35,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:01:35,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:01:35,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:01:35,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:01:35,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:01:35,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:01:35,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:01:35,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:01:35,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:01:35,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:01:35,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:01:35,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:01:35,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:01:35,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:01:35,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:01:35,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:01:35,775 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:01:35,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:01:35,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:01:35,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:01:35,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:01:35,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:01:35,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:01:35,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:01:35,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:01:35,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:01:35,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:01:35,778 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_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec [2022-12-14 18:01:35,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:01:35,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:01:35,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:01:35,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:01:35,980 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:01:35,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-12-14 18:01:38,476 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:01:38,639 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:01:38,640 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-12-14 18:01:38,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/data/985990c79/f1275c0308ce4d77a32e633fd1692516/FLAGec3d5371c [2022-12-14 18:01:39,063 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/data/985990c79/f1275c0308ce4d77a32e633fd1692516 [2022-12-14 18:01:39,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:01:39,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:01:39,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:01:39,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:01:39,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:01:39,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f95b768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39, skipping insertion in model container [2022-12-14 18:01:39,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:01:39,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:01:39,178 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_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2022-12-14 18:01:39,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:01:39,195 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:01:39,205 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_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2022-12-14 18:01:39,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:01:39,221 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:01:39,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39 WrapperNode [2022-12-14 18:01:39,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:01:39,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:01:39,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:01:39,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:01:39,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,247 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-14 18:01:39,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:01:39,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:01:39,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:01:39,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:01:39,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:01:39,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:01:39,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:01:39,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:01:39,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:01:39,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:01:39,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:01:39,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:01:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:01:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:01:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 18:01:39,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 18:01:39,378 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:01:39,379 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:01:39,475 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:01:39,506 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:01:39,506 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 18:01:39,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:39 BoogieIcfgContainer [2022-12-14 18:01:39,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:01:39,510 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:01:39,510 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:01:39,520 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:01:39,520 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:39" (1/1) ... [2022-12-14 18:01:39,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:01:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 18:01:39,574 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 18:01:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:01:39,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:39,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:39,776 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 18:01:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-12-14 18:01:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-12-14 18:01:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:01:39,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:39,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:39,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:01:39,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:40,025 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 18:01:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-12-14 18:01:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-12-14 18:01:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:01:40,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:40,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:40,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 18:01:40,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:40,375 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 18:01:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:40,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2022-12-14 18:01:40,468 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-14 18:01:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 18:01:40,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:40,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:40,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:01:40,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 18:01:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-12-14 18:01:40,643 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-14 18:01:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 18:01:40,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:40,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:40,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 18:01:40,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:01:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-12-14 18:01:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-12-14 18:01:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:01:40,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:40,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:40,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:01:40,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 18:01:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-12-14 18:01:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 18:01:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 18:01:41,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:41,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:41,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 18:01:41,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 18:01:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-12-14 18:01:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-12-14 18:01:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 18:01:41,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:41,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:01:41,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 18:01:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:42,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-12-14 18:01:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-12-14 18:01:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 18:01:42,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:42,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 18:01:42,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 18:01:42,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-12-14 18:01:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-12-14 18:01:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 18:01:42,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:42,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:42,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:01:42,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 18:01:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-12-14 18:01:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-12-14 18:01:42,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:01:42,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:42,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:42,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 18:01:42,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 18:01:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:42,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-12-14 18:01:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-12-14 18:01:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:01:42,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:42,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:42,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 18:01:42,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 18:01:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-12-14 18:01:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-12-14 18:01:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 18:01:43,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:01:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:01:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:01:43,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 18:01:43,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:01:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 18:01:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:01:43,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 20 states and 28 transitions. [2022-12-14 18:01:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-14 18:01:43,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 18:01:43,499 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-12-14 18:01:43,506 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 18:01:43,656 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-14 18:01:43,664 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 18:01:43,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:01:43 ImpRootNode [2022-12-14 18:01:43,664 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:01:43,665 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:01:43,665 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:01:43,665 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:01:43,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:01:39" (3/4) ... [2022-12-14 18:01:43,667 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 18:01:43,671 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 18:01:43,673 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 18:01:43,673 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 18:01:43,674 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 18:01:43,674 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 18:01:43,698 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 18:01:43,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:01:43,698 INFO L158 Benchmark]: Toolchain (without parser) took 4632.90ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 114.0MB in the beginning and 110.2MB in the end (delta: 3.8MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,699 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:01:43,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.48ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 103.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.07ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,699 INFO L158 Benchmark]: Boogie Preprocessor took 17.22ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 100.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:01:43,700 INFO L158 Benchmark]: RCFGBuilder took 243.09ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 88.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,700 INFO L158 Benchmark]: CodeCheck took 4154.54ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 88.3MB in the beginning and 112.3MB in the end (delta: -24.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,700 INFO L158 Benchmark]: Witness Printer took 33.41ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:01:43,702 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 772 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1966 IncrementalHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 772 mSolverCounterUnsat, 159 mSDtfsCounter, 1966 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2900 GetRequests, 2754 SyntacticMatches, 64 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2888 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 366 NumberOfCodeBlocks, 366 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 353 ConstructedInterpolants, 0 QuantifiedInterpolants, 1171 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1130 ConjunctsInSsa, 175 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 503/589 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: 14]: 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: 30]: Loop Invariant Derived loop invariant: s == 4 || !(t == 1 + 2 * a && 2 == 2 * a) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.48ms. Allocated memory is still 148.9MB. Free memory was 113.5MB in the beginning and 103.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.07ms. Allocated memory is still 148.9MB. Free memory was 103.1MB in the beginning and 101.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.22ms. Allocated memory is still 148.9MB. Free memory was 101.9MB in the beginning and 100.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.09ms. Allocated memory is still 148.9MB. Free memory was 100.9MB in the beginning and 88.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4154.54ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 88.3MB in the beginning and 112.3MB in the end (delta: -24.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 33.41ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 110.2MB 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 18:01:43,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a9b5ee-7b8f-46f4-81bf-adafa7b294de/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