./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/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_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB --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-dbf71c6-m [2022-10-17 16:50:40,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:40,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:40,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:40,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:40,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:40,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:40,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:40,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:40,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:40,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:40,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:40,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:40,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:40,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:40,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:40,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:40,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:40,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:40,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:40,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:40,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:40,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:40,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:40,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:40,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:40,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:40,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:40,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:40,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:40,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:40,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:40,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:40,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:40,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:40,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:40,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:40,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:40,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:40,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:40,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:40,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:40,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:40,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:40,405 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:40,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:40,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:40,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:40,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:40,408 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:40,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:40,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:40,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:40,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:40,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:40,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:40,410 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:40,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:40,411 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:40,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:40,411 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:40,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:40,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:40,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:40,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:40,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:40,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:40,413 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:40,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:40,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:40,414 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_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69e3759b6e7ee15378e7391ad11d943bae32b67ab55c3e2fea94db5284daa3ec [2022-10-17 16:50:40,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:40,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:40,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:40,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:40,786 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:40,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-10-17 16:50:40,874 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/data/4a402eae1/2e0de96a63344c21b4e6f72880082ddd/FLAG8e7f9be16 [2022-10-17 16:50:41,390 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:41,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c [2022-10-17 16:50:41,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/data/4a402eae1/2e0de96a63344c21b4e6f72880082ddd/FLAG8e7f9be16 [2022-10-17 16:50:41,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/data/4a402eae1/2e0de96a63344c21b4e6f72880082ddd [2022-10-17 16:50:41,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:41,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:41,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:41,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:41,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:41,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:41" (1/1) ... [2022-10-17 16:50:41,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1706dcd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:41, skipping insertion in model container [2022-10-17 16:50:41,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:41" (1/1) ... [2022-10-17 16:50:41,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:41,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:42,027 WARN L230 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_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2022-10-17 16:50:42,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:42,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:42,069 WARN L230 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_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound2.c[520,533] [2022-10-17 16:50:42,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:42,091 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:42,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42 WrapperNode [2022-10-17 16:50:42,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:42,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:42,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:42,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:42,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,129 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-10-17 16:50:42,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:42,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:42,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:42,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:42,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,152 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:42,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:42,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:42,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:42,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:42,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:42,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:42,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:42,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:42,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:50:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:50:42,329 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:42,331 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:42,511 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:42,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:42,568 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:42,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:42 BoogieIcfgContainer [2022-10-17 16:50:42,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:42,577 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:42,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:42,588 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:42,588 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:42" (1/1) ... [2022-10-17 16:50:42,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:42,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:50:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:50:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:50:42,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:42,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-10-17 16:50:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-10-17 16:50:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:50:43,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:50:43,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 16:50:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 16:50:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:50:43,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:50:43,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2022-10-17 16:50:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2022-10-17 16:50:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:43,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:44,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-10-17 16:50:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-10-17 16:50:44,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:44,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:44,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:50:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-10-17 16:50:44,954 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 16:50:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:50:44,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:44,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:45,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:50:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-10-17 16:50:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:50:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:50:45,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:50:45,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:50:45,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-10-17 16:50:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-10-17 16:50:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:50:45,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:45,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:45,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:50:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-10-17 16:50:46,747 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-10-17 16:50:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:50:46,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:46,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:46,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:50:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-10-17 16:50:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:50:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:50:47,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:47,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-17 16:50:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-10-17 16:50:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-10-17 16:50:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:50:47,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:47,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:47,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:50:47,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:50:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 26 states and 35 transitions. [2022-10-17 16:50:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:50:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:50:48,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:48,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:50:48,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:50:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-10-17 16:50:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 20 states and 28 transitions. [2022-10-17 16:50:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 16:50:48,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:50:48,861 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-10-17 16:50:48,872 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:50:49,108 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-10-17 16:50:49,117 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:49,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:49 ImpRootNode [2022-10-17 16:50:49,118 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:49,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:49,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:49,119 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:49,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:42" (3/4) ... [2022-10-17 16:50:49,123 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:50:49,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-10-17 16:50:49,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-10-17 16:50:49,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 16:50:49,133 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:50:49,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:50:49,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:49,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:49,182 INFO L158 Benchmark]: Toolchain (without parser) took 7417.65ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 80.1MB in the beginning and 79.8MB in the end (delta: 293.9kB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,183 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 115.3MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:49,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.43ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 89.0MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.64ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:49,185 INFO L158 Benchmark]: Boogie Preprocessor took 24.21ms. Allocated memory is still 115.3MB. Free memory was 87.7MB in the beginning and 86.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,186 INFO L158 Benchmark]: RCFGBuilder took 420.85ms. Allocated memory is still 115.3MB. Free memory was 86.5MB in the beginning and 74.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,187 INFO L158 Benchmark]: CodeCheck took 6540.57ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 74.3MB in the beginning and 83.0MB in the end (delta: -8.6MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,187 INFO L158 Benchmark]: Witness Printer took 62.88ms. Allocated memory is still 148.9MB. Free memory was 83.0MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:49,191 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: 6.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 608 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 462 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 675 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1654 IncrementalHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 675 mSolverCounterUnsat, 270 mSDtfsCounter, 1654 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2578 GetRequests, 2440 SyntacticMatches, 50 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3143 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 987 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1003 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 431/480 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 == 2 + 2 * a || !(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 0.24ms. Allocated memory is still 115.3MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 27.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.43ms. Allocated memory is still 115.3MB. Free memory was 79.8MB in the beginning and 89.0MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.64ms. Allocated memory is still 115.3MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.21ms. Allocated memory is still 115.3MB. Free memory was 87.7MB in the beginning and 86.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.85ms. Allocated memory is still 115.3MB. Free memory was 86.5MB in the beginning and 74.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 6540.57ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 74.3MB in the beginning and 83.0MB in the end (delta: -8.6MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 62.88ms. Allocated memory is still 148.9MB. Free memory was 83.0MB in the beginning and 79.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:50:49,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa208787-3b1a-4cbc-8a6d-d2947ef8eaeb/bin/ukojak-92XMlrwhuB/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