./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 --- 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-b5237d8 [2022-11-21 23:41:17,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:41:17,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:41:17,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:41:17,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:41:17,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:41:17,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:41:17,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:41:17,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:41:17,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:41:17,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:41:17,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:41:17,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:41:17,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:41:17,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:41:17,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:41:17,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:41:17,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:41:17,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:41:17,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:41:17,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:41:17,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:41:17,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:41:17,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:41:17,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:41:17,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:41:17,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:41:17,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:41:17,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:41:17,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:41:17,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:41:17,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:41:17,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:41:17,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:41:17,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:41:17,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:41:17,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:41:17,268 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:41:17,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:41:17,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:41:17,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:41:17,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:41:17,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:41:17,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:41:17,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:41:17,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:41:17,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:41:17,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:41:17,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:41:17,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:41:17,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:41:17,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:41:17,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:41:17,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:41:17,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:41:17,300 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:41:17,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:41:17,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:41:17,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:41:17,301 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:41:17,301 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:41:17,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:41:17,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:17,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:41:17,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:41:17,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:41:17,303 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:41:17,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:41:17,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:41:17,303 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_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 [2022-11-21 23:41:17,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:41:17,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:41:17,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:41:17,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:41:17,647 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:41:17,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2022-11-21 23:41:20,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:41:21,080 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:41:21,086 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2022-11-21 23:41:21,103 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/data/072f22fd4/8ebb97d591044cfda6b5aedf10d3be6c/FLAG5d2cc4c55 [2022-11-21 23:41:21,122 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/data/072f22fd4/8ebb97d591044cfda6b5aedf10d3be6c [2022-11-21 23:41:21,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:41:21,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:41:21,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:21,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:41:21,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:41:21,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dac83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21, skipping insertion in model container [2022-11-21 23:41:21,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:41:21,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:41:21,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:21,476 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:41:21,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:41:21,547 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:41:21,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21 WrapperNode [2022-11-21 23:41:21,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:41:21,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:21,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:41:21,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:41:21,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,595 INFO L138 Inliner]: procedures = 111, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2022-11-21 23:41:21,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:41:21,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:41:21,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:41:21,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:41:21,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,626 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:41:21,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:41:21,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:41:21,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:41:21,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:41:21" (1/1) ... [2022-11-21 23:41:21,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:41:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:41:21,668 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:41:21,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:41:21,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:41:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:41:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:41:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:41:21,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:41:21,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:41:21,869 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:41:21,871 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:41:22,130 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:41:22,186 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:41:22,186 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:41:22,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:22 BoogieIcfgContainer [2022-11-21 23:41:22,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:41:22,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:41:22,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:41:22,205 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:41:22,205 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:22" (1/1) ... [2022-11-21 23:41:22,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:41:22,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-21 23:41:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-21 23:41:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:41:22,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:22,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-11-21 23:41:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-11-21 23:41:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:41:23,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:24,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-11-21 23:41:24,753 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-11-21 23:41:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:41:24,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:26,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2022-11-21 23:41:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2022-11-21 23:41:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:41:26,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 32 states and 67 transitions. [2022-11-21 23:41:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 67 transitions. [2022-11-21 23:41:27,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:41:27,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:27,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:28,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:28,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 36 states and 85 transitions. [2022-11-21 23:41:28,985 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 85 transitions. [2022-11-21 23:41:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:28,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:29,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 91 transitions. [2022-11-21 23:41:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 91 transitions. [2022-11-21 23:41:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:29,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:29,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:30,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 97 transitions. [2022-11-21 23:41:30,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 97 transitions. [2022-11-21 23:41:30,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:30,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:33,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2022-11-21 23:41:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2022-11-21 23:41:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:33,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:33,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:33,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 46 states and 115 transitions. [2022-11-21 23:41:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 115 transitions. [2022-11-21 23:41:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:33,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 48 states and 120 transitions. [2022-11-21 23:41:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 120 transitions. [2022-11-21 23:41:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:34,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:34,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 49 states and 123 transitions. [2022-11-21 23:41:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 123 transitions. [2022-11-21 23:41:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:41:34,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:34,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2022-11-21 23:41:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2022-11-21 23:41:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:41:35,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:38,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 55 states and 146 transitions. [2022-11-21 23:41:38,493 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 146 transitions. [2022-11-21 23:41:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:41:38,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:40,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 151 transitions. [2022-11-21 23:41:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 151 transitions. [2022-11-21 23:41:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:41:40,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:40,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 59 states and 151 transitions. [2022-11-21 23:41:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 151 transitions. [2022-11-21 23:41:41,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:41:41,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 62 states and 168 transitions. [2022-11-21 23:41:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 168 transitions. [2022-11-21 23:41:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:41:46,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:46,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 65 states and 179 transitions. [2022-11-21 23:41:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 179 transitions. [2022-11-21 23:41:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:41:49,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:49,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 68 states and 187 transitions. [2022-11-21 23:41:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 187 transitions. [2022-11-21 23:41:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:41:51,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 69 states and 188 transitions. [2022-11-21 23:41:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 188 transitions. [2022-11-21 23:41:52,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:41:52,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:52,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 190 transitions. [2022-11-21 23:41:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 190 transitions. [2022-11-21 23:41:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:41:52,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:52,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:41:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 71 states and 194 transitions. [2022-11-21 23:41:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 194 transitions. [2022-11-21 23:41:53,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:41:53,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:53,748 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:41:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 72 states and 196 transitions. [2022-11-21 23:41:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 196 transitions. [2022-11-21 23:41:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:41:54,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:55,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:41:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:55,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 70 states and 182 transitions. [2022-11-21 23:41:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 182 transitions. [2022-11-21 23:41:55,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:41:55,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 187 transitions. [2022-11-21 23:41:58,906 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 187 transitions. [2022-11-21 23:41:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:41:58,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:58,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:41:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:41:59,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 74 states and 188 transitions. [2022-11-21 23:41:59,752 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 188 transitions. [2022-11-21 23:41:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:41:59,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:41:59,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:41:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:41:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:42:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:00,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 74 states and 183 transitions. [2022-11-21 23:42:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 183 transitions. [2022-11-21 23:42:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:42:00,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:00,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:42:01,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 75 states and 185 transitions. [2022-11-21 23:42:01,332 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 185 transitions. [2022-11-21 23:42:01,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:42:01,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:01,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:42:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 184 transitions. [2022-11-21 23:42:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 184 transitions. [2022-11-21 23:42:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:42:02,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 77 states and 187 transitions. [2022-11-21 23:42:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 187 transitions. [2022-11-21 23:42:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:42:03,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:03,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:03,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 80 states and 192 transitions. [2022-11-21 23:42:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 192 transitions. [2022-11-21 23:42:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:42:05,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:05,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:05,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:42:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 80 states and 190 transitions. [2022-11-21 23:42:06,633 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 190 transitions. [2022-11-21 23:42:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:42:06,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:06,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:42:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 81 states and 190 transitions. [2022-11-21 23:42:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 190 transitions. [2022-11-21 23:42:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:42:07,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:08,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 190 transitions. [2022-11-21 23:42:08,312 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 190 transitions. [2022-11-21 23:42:08,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:42:08,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:42:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 86 states and 199 transitions. [2022-11-21 23:42:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 199 transitions. [2022-11-21 23:42:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:42:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:42:16,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 87 states and 201 transitions. [2022-11-21 23:42:16,195 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 201 transitions. [2022-11-21 23:42:16,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:42:16,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:42:16,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:42:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:42:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 23:42:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:42:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2022-11-21 23:42:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2022-11-21 23:42:17,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:42:17,044 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2022-11-21 23:42:17,052 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 23:42:17,644 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:42:17,649 INFO L560 CodeCheckObserver]: Invariant with dag size 32 [2022-11-21 23:42:17,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:42:17 ImpRootNode [2022-11-21 23:42:17,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:42:17,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:42:17,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:42:17,660 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:42:17,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:41:22" (3/4) ... [2022-11-21 23:42:17,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:42:17,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-21 23:42:17,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:42:17,673 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:42:17,674 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:42:17,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:42:17,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:42:17,722 INFO L158 Benchmark]: Toolchain (without parser) took 56593.34ms. Allocated memory was 138.4MB in the beginning and 599.8MB in the end (delta: 461.4MB). Free memory was 74.4MB in the beginning and 484.0MB in the end (delta: -409.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,723 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:42:17,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.61ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 74.3MB in the beginning and 160.8MB in the end (delta: -86.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 199.2MB. Free memory was 160.8MB in the beginning and 159.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:42:17,725 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 199.2MB. Free memory was 159.7MB in the beginning and 157.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,725 INFO L158 Benchmark]: RCFGBuilder took 550.52ms. Allocated memory is still 199.2MB. Free memory was 157.8MB in the beginning and 142.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,726 INFO L158 Benchmark]: CodeCheck took 55468.99ms. Allocated memory was 199.2MB in the beginning and 599.8MB in the end (delta: 400.6MB). Free memory was 142.0MB in the beginning and 487.1MB in the end (delta: -345.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,727 INFO L158 Benchmark]: Witness Printer took 62.42ms. Allocated memory is still 599.8MB. Free memory was 487.1MB in the beginning and 484.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:42:17,730 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 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 54.8s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3745 SdHoareTripleChecker+Valid, 40.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3359 mSDsluCounter, 952 SdHoareTripleChecker+Invalid, 33.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 4595 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19102 IncrementalHoareTripleChecker+Invalid, 23697 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4595 mSolverCounterUnsat, 742 mSDtfsCounter, 19102 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6115 GetRequests, 5680 SyntacticMatches, 45 SemanticMatches, 390 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65927 ImplicationChecksByTransitivity, 44.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 398 ConstructedInterpolants, 0 QuantifiedInterpolants, 2881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 8 PerfectInterpolantSequences, 172/247 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: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: ((((((!(y_ref == x_ref) && !(z_ref == y_ref)) && !(z_ref == x_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) || (unknown-#memory_int-unknown[y_ref][y_ref] <= unknown-#memory_int-unknown[z_ref][z_ref] && unknown-#memory_int-unknown[x_ref][x_ref] <= unknown-#memory_int-unknown[z_ref][z_ref])) || ((((!(y_ref == x_ref) && unknown-#memory_int-unknown[x_ref][x_ref] <= unknown-#memory_int-unknown[z_ref][z_ref]) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && z_ref == x_ref) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.61ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 74.3MB in the beginning and 160.8MB in the end (delta: -86.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 199.2MB. Free memory was 160.8MB in the beginning and 159.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 199.2MB. Free memory was 159.7MB in the beginning and 157.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.52ms. Allocated memory is still 199.2MB. Free memory was 157.8MB in the beginning and 142.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 55468.99ms. Allocated memory was 199.2MB in the beginning and 599.8MB in the end (delta: 400.6MB). Free memory was 142.0MB in the beginning and 487.1MB in the end (delta: -345.2MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Witness Printer took 62.42ms. Allocated memory is still 599.8MB. Free memory was 487.1MB in the beginning and 484.0MB 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! [2022-11-21 23:42:17,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8837e94-7526-4c7f-bbac-16c4e6306568/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE