./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4 --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 32bit --witnessprinter.graph.data.programhash 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:45:00,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:45:00,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:45:00,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:45:00,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:45:00,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:45:00,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:45:00,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:45:00,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:45:00,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:45:00,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:45:00,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:45:00,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:45:00,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:45:00,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:45:00,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:45:00,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:45:00,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:45:00,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:45:00,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:45:00,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:45:00,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:45:00,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:45:00,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:45:00,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:45:00,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:45:00,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:45:00,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:45:00,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:45:00,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:45:00,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:45:00,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:45:00,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:45:00,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:45:00,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:45:00,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:45:00,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:45:00,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:45:00,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:45:00,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:45:00,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:45:00,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 03:45:00,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:45:00,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:45:00,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:45:00,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:45:00,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:45:00,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:45:00,658 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:45:00,659 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:45:00,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:00,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:45:00,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:45:00,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:45:00,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:45:00,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:45:00,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:45:00,660 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_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 [2022-12-15 03:45:00,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:45:00,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:45:00,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:45:00,847 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:45:00,847 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:45:00,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-12-15 03:45:03,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:45:03,636 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:45:03,636 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-12-15 03:45:03,647 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/data/70dab9674/f94a760123344841be03774425e15172/FLAG2992caa76 [2022-12-15 03:45:04,020 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/data/70dab9674/f94a760123344841be03774425e15172 [2022-12-15 03:45:04,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:45:04,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:45:04,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:04,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:45:04,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:45:04,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276044ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04, skipping insertion in model container [2022-12-15 03:45:04,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:45:04,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:45:04,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2022-12-15 03:45:04,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:04,278 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:45:04,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i[24236,24249] [2022-12-15 03:45:04,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:45:04,333 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:45:04,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04 WrapperNode [2022-12-15 03:45:04,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:45:04,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:04,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:45:04,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:45:04,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,372 INFO L138 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2022-12-15 03:45:04,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:45:04,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:45:04,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:45:04,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:45:04,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:45:04,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:45:04,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:45:04,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:45:04,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:45:04,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:45:04,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:45:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:45:04,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:45:04,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:45:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:45:04,524 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:45:04,525 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:45:04,701 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:45:04,744 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:45:04,744 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-15 03:45:04,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:04 BoogieIcfgContainer [2022-12-15 03:45:04,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:45:04,747 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:45:04,747 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:45:04,754 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:45:04,754 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:04" (1/1) ... [2022-12-15 03:45:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:45:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-12-15 03:45:04,798 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-12-15 03:45:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 03:45:04,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:04,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:04,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:05,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 49 states and 57 transitions. [2022-12-15 03:45:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-12-15 03:45:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 03:45:05,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:05,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:05,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:05,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2022-12-15 03:45:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2022-12-15 03:45:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:45:05,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:05,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:05,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2022-12-15 03:45:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2022-12-15 03:45:05,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 03:45:05,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 57 states and 72 transitions. [2022-12-15 03:45:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-15 03:45:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:45:05,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:05,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2022-12-15 03:45:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-12-15 03:45:05,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:45:05,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:06,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-12-15 03:45:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-12-15 03:45:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:45:06,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:06,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-12-15 03:45:06,260 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-12-15 03:45:06,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 03:45:06,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-12-15 03:45:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-15 03:45:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:45:06,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-12-15 03:45:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-12-15 03:45:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 03:45:06,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2022-12-15 03:45:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-12-15 03:45:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:45:06,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:45:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:06,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2022-12-15 03:45:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-12-15 03:45:06,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:45:06,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:06,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:45:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2022-12-15 03:45:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-12-15 03:45:07,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:45:07,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:07,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:07,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:07,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:07,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-12-15 03:45:07,414 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-12-15 03:45:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:45:07,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:07,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2022-12-15 03:45:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-12-15 03:45:07,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 03:45:07,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:07,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2022-12-15 03:45:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2022-12-15 03:45:08,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:45:08,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2022-12-15 03:45:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2022-12-15 03:45:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:45:08,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:08,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 75 states and 105 transitions. [2022-12-15 03:45:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2022-12-15 03:45:09,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:45:09,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:09,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:09,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2022-12-15 03:45:09,688 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2022-12-15 03:45:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:45:09,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:09,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2022-12-15 03:45:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2022-12-15 03:45:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:45:10,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:10,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 90 states and 121 transitions. [2022-12-15 03:45:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2022-12-15 03:45:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:45:11,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 93 states and 127 transitions. [2022-12-15 03:45:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2022-12-15 03:45:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:45:11,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:11,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 96 states and 136 transitions. [2022-12-15 03:45:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2022-12-15 03:45:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:45:12,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:12,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2022-12-15 03:45:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2022-12-15 03:45:13,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:45:13,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:13,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:45:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 98 states and 141 transitions. [2022-12-15 03:45:13,294 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 141 transitions. [2022-12-15 03:45:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:45:13,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:13,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2022-12-15 03:45:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2022-12-15 03:45:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:45:13,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:45:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 103 states and 145 transitions. [2022-12-15 03:45:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2022-12-15 03:45:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:45:14,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:14,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:14,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:14,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-12-15 03:45:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-12-15 03:45:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 03:45:14,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-12-15 03:45:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-15 03:45:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 03:45:15,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:15,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2022-12-15 03:45:15,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2022-12-15 03:45:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 03:45:15,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:15,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 67 states and 89 transitions. [2022-12-15 03:45:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2022-12-15 03:45:16,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 03:45:16,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2022-12-15 03:45:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2022-12-15 03:45:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 03:45:17,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:17,413 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 96 transitions. [2022-12-15 03:45:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2022-12-15 03:45:18,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 03:45:18,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 03:45:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 83 states and 106 transitions. [2022-12-15 03:45:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-12-15 03:45:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 03:45:20,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:20,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 03:45:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 90 states and 115 transitions. [2022-12-15 03:45:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2022-12-15 03:45:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 03:45:22,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:22,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 03:45:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 94 states and 125 transitions. [2022-12-15 03:45:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 125 transitions. [2022-12-15 03:45:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-15 03:45:23,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-15 03:45:24,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:24,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 98 states and 130 transitions. [2022-12-15 03:45:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2022-12-15 03:45:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 03:45:24,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:45:24,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:45:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:45:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 03:45:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:45:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 52 states and 57 transitions. [2022-12-15 03:45:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2022-12-15 03:45:24,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:45:24,985 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2022-12-15 03:45:24,991 INFO L754 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2022-12-15 03:45:25,227 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:45:25,230 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-15 03:45:25,234 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2022-12-15 03:45:25,234 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:45:25,234 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-12-15 03:45:25,235 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-12-15 03:45:25,235 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-15 03:45:25,235 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 03:45:25,236 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:45:25,236 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 03:45:25,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:45:25 ImpRootNode [2022-12-15 03:45:25,236 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:45:25,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:45:25,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:45:25,237 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:45:25,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:45:04" (3/4) ... [2022-12-15 03:45:25,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:45:25,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-12-15 03:45:25,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-15 03:45:25,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 03:45:25,246 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:45:25,279 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:45:25,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:45:25,280 INFO L158 Benchmark]: Toolchain (without parser) took 21252.45ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 95.0MB in the beginning and 100.3MB in the end (delta: -5.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,280 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:45:25,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.02ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.04ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,281 INFO L158 Benchmark]: Boogie Preprocessor took 21.03ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,282 INFO L158 Benchmark]: RCFGBuilder took 352.32ms. Allocated memory is still 132.1MB. Free memory was 73.6MB in the beginning and 53.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,282 INFO L158 Benchmark]: CodeCheck took 20489.57ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 53.9MB in the beginning and 104.5MB in the end (delta: -50.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,282 INFO L158 Benchmark]: Witness Printer took 42.55ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 100.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:45:25,284 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, 48 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 20.2s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4830 SdHoareTripleChecker+Valid, 13.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3884 mSDsluCounter, 916 SdHoareTripleChecker+Invalid, 11.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 2331 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13384 IncrementalHoareTripleChecker+Invalid, 15715 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2331 mSolverCounterUnsat, 762 mSDtfsCounter, 13384 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6470 GetRequests, 5992 SyntacticMatches, 76 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82406 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 845 ConstructedInterpolants, 0 QuantifiedInterpolants, 2157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 28 PerfectInterpolantSequences, 344/354 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: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 623]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 602]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 622]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((index <= 0 && 2 <= len) && 1 <= i) && len + i <= 3) || (((2 <= len && !(1 <= i)) && 0 <= i) && index == i)) || (((2 <= len && 1 <= i) && len + i <= 3) && index == i) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: ((2 <= len && 1 <= i) && len + i <= 3) || ((2 <= len && !(1 <= i)) && 0 <= i) - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (2 <= len && len <= 2) && len <= 2 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((2 <= len && 1 <= len) && len <= 2) && len <= 2 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: (((((2 <= len && 1 <= i) && len <= 2) && index <= 1) && index == i) || ((((2 <= len && !(1 <= i)) && len <= 2) && 0 <= i) && index == i)) || ((((2 <= len && 1 <= i) && len <= 2) && index <= 0) && i <= 1) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: (!(len + i <= 3) && !(0 <= i)) || (2 <= len && len + i <= 3) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: ((2 <= len && !(1 <= i)) && len <= 2) || ((2 <= len && 1 <= i) && len + i <= 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.02ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 77.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.04ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.03ms. Allocated memory is still 132.1MB. Free memory was 75.3MB in the beginning and 73.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.32ms. Allocated memory is still 132.1MB. Free memory was 73.6MB in the beginning and 53.9MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 20489.57ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 53.9MB in the beginning and 104.5MB in the end (delta: -50.6MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Witness Printer took 42.55ms. Allocated memory is still 159.4MB. Free memory was 104.5MB in the beginning and 100.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:45:25,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf3b7e5-ffcc-440b-9630-7a0c1feeacfe/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE