./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23-2.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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/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 6107b0424f9f7d96b4a493f3ee8e42c81c6509c50d1ec834cc7d1fa0b8a2c5d3 --- 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 17:00:40,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:40,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:40,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:40,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:40,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:40,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:40,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:40,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:40,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:40,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:40,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:40,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:40,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:40,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:40,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:40,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:40,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:40,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:40,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:40,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:40,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:40,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:40,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:40,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:40,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:40,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:40,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:40,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:40,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:40,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:40,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:40,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:40,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:40,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:40,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:40,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:40,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:40,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:40,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:40,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:40,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:40,439 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:40,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:40,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:40,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:40,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:40,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:40,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:40,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:40,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:40,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:40,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:40,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:40,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:40,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:40,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:40,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:40,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:40,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:40,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:40,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:40,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:40,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:40,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:40,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:40,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:40,445 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:40,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:40,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:40,446 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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6107b0424f9f7d96b4a493f3ee8e42c81c6509c50d1ec834cc7d1fa0b8a2c5d3 [2022-10-17 17:00:40,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:40,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:40,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:40,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:40,802 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:40,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test23-2.c [2022-10-17 17:00:40,920 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/data/cedb50607/601901d82eca499394ac6750c07f29c5/FLAG89b548420 [2022-10-17 17:00:41,335 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:41,336 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/sv-benchmarks/c/ldv-regression/test23-2.c [2022-10-17 17:00:41,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/data/cedb50607/601901d82eca499394ac6750c07f29c5/FLAG89b548420 [2022-10-17 17:00:41,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/data/cedb50607/601901d82eca499394ac6750c07f29c5 [2022-10-17 17:00:41,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:41,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:41,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:41,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:41,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:41,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:41" (1/1) ... [2022-10-17 17:00:41,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b80351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:41, skipping insertion in model container [2022-10-17 17:00:41,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:41" (1/1) ... [2022-10-17 17:00:41,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:41,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:41,979 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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/sv-benchmarks/c/ldv-regression/test23-2.c[1070,1083] [2022-10-17 17:00:41,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:41,994 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:42,017 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_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/sv-benchmarks/c/ldv-regression/test23-2.c[1070,1083] [2022-10-17 17:00:42,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:42,033 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:42,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42 WrapperNode [2022-10-17 17:00:42,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:42,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:42,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:42,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:42,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,077 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2022-10-17 17:00:42,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:42,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:42,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:42,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:42,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:42,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:42,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:42,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:42,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:42,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:42,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:42,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:42,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:42,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2022-10-17 17:00:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2022-10-17 17:00:42,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:42,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:42,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:42,305 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:42,306 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:42,493 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:42,601 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:42,602 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:00:42,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:42 BoogieIcfgContainer [2022-10-17 17:00:42,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:42,606 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:42,606 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:42,617 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:42,618 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:42" (1/1) ... [2022-10-17 17:00:42,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:42,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 17:00:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 17:00:42,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:42,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:42,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:43,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-10-17 17:00:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-10-17 17:00:43,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:43,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:43,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 17:00:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 17:00:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:00:43,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:43,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:44,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 17:00:44,553 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 17:00:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:44,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:44,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:45,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-10-17 17:00:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-10-17 17:00:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:00:45,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:45,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-10-17 17:00:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-10-17 17:00:46,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:00:46,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:47,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-10-17 17:00:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-10-17 17:00:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:00:47,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:48,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:48,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-10-17 17:00:48,450 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-10-17 17:00:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:00:48,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:48,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:49,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-10-17 17:00:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-10-17 17:00:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:00:49,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:49,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-10-17 17:00:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-10-17 17:00:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:00:51,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:52,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-10-17 17:00:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-17 17:00:52,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:00:52,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:52,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:53,064 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2022-10-17 17:00:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-10-17 17:00:53,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:00:53,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:53,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2022-10-17 17:01:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-10-17 17:01:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:01:05,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:05,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:08,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2022-10-17 17:01:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2022-10-17 17:01:08,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:01:08,553 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-10-17 17:01:08,567 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:01:08,881 INFO L560 CodeCheckObserver]: Invariant with dag size 96 [2022-10-17 17:01:08,927 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 17:01:08,941 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:01:08,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:08 ImpRootNode [2022-10-17 17:01:08,942 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:08,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:08,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:08,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:08,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:42" (3/4) ... [2022-10-17 17:01:08,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:01:08,954 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2022-10-17 17:01:08,960 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-10-17 17:01:08,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 17:01:08,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:01:08,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:01:09,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:09,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:09,033 INFO L158 Benchmark]: Toolchain (without parser) took 27302.57ms. Allocated memory was 107.0MB in the beginning and 234.9MB in the end (delta: 127.9MB). Free memory was 71.1MB in the beginning and 125.1MB in the end (delta: -53.9MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,034 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:09,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.78ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 81.3MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.95ms. Allocated memory is still 107.0MB. Free memory was 80.8MB in the beginning and 79.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,036 INFO L158 Benchmark]: Boogie Preprocessor took 30.88ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 906.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:09,037 INFO L158 Benchmark]: RCFGBuilder took 495.17ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 62.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,038 INFO L158 Benchmark]: CodeCheck took 26336.45ms. Allocated memory was 107.0MB in the beginning and 234.9MB in the end (delta: 127.9MB). Free memory was 62.8MB in the beginning and 128.2MB in the end (delta: -65.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,039 INFO L158 Benchmark]: Witness Printer took 89.38ms. Allocated memory is still 234.9MB. Free memory was 128.2MB in the beginning and 125.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:09,042 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: 25.9s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 634 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 218 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 481 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1400 IncrementalHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 481 mSolverCounterUnsat, 182 mSDtfsCounter, 1400 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2324 GetRequests, 2008 SyntacticMatches, 52 SemanticMatches, 264 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34626 ImplicationChecksByTransitivity, 19.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 1729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 129/598 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: 52]: 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: 42]: Loop Invariant Derived loop invariant: ((((((((((((i + 1 <= unknown-#memory_int-unknown[pa][pa] && !(2 + i <= unknown-#memory_int-unknown[pa][pa])) && pa == pd2) && 12 + i * 4 + pd2 == pa) || (((5 + i <= unknown-#memory_int-unknown[pa][pa] && pa == pd2) && !(6 + i <= unknown-#memory_int-unknown[pa][pa])) && i * 4 + 28 + pd2 == pa)) || (((48 + i * 4 + pd2 == pa && i + 10 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] <= i + 10) && pa == pd2)) || (((2 + i <= unknown-#memory_int-unknown[pa][pa] && 16 + i * 4 + pd2 == pa) && pa == pd2) && !(3 + i <= unknown-#memory_int-unknown[pa][pa]))) || (((!(9 + i <= unknown-#memory_int-unknown[pa][pa]) && i + 8 <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2) && 40 + i * 4 + pd2 == pa)) || (((!(i + 8 <= unknown-#memory_int-unknown[pa][pa]) && 7 + i <= unknown-#memory_int-unknown[pa][pa]) && pa == 36 + i * 4 + pd2) && pa == pd2)) || (((pa == i * 4 + pd2 + 24 && i + 4 <= unknown-#memory_int-unknown[pa][pa]) && !(5 + i <= unknown-#memory_int-unknown[pa][pa])) && pa == pd2)) || (((44 + i * 4 + pd2 == pa && !(i + 10 <= unknown-#memory_int-unknown[pa][pa])) && 9 + i <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2)) || (((!(i + 1 <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2) && 8 + i * 4 + pd2 == pa) && i <= unknown-#memory_int-unknown[pa][pa])) || (((3 + i <= unknown-#memory_int-unknown[pa][pa] && 20 + i * 4 + pd2 == pa) && pa == pd2) && !(i + 4 <= unknown-#memory_int-unknown[pa][pa]))) || (((32 + i * 4 + pd2 == pa && !(7 + i <= unknown-#memory_int-unknown[pa][pa])) && 6 + i <= unknown-#memory_int-unknown[pa][pa]) && pa == pd2) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: i == unknown-#memory_int-unknown[pd2][8 + i * 4 + pd2] - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 26.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.78ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 81.3MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.95ms. Allocated memory is still 107.0MB. Free memory was 80.8MB in the beginning and 79.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.88ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 78.3MB in the end (delta: 906.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.17ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 62.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 26336.45ms. Allocated memory was 107.0MB in the beginning and 234.9MB in the end (delta: 127.9MB). Free memory was 62.8MB in the beginning and 128.2MB in the end (delta: -65.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 89.38ms. Allocated memory is still 234.9MB. Free memory was 128.2MB in the beginning and 125.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:01:09,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b4c3016-1881-47e2-ad62-b38a3fac8d5b/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