./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/s3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/s3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:28:09,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:28:09,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:28:09,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:28:09,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:28:09,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:28:09,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:28:09,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:28:09,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:28:09,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:28:09,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:28:09,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:28:09,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:28:09,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:28:09,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:28:09,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:28:09,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:28:09,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:28:09,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:28:09,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:28:09,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:28:09,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:28:09,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:28:09,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:28:09,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:28:09,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:28:09,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:28:09,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:28:09,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:28:09,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:28:09,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:28:09,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:28:09,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:28:09,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:28:09,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:28:09,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:28:09,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:28:09,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:28:09,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:28:09,529 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:28:09,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:28:09,530 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:28:09,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:28:09,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:28:09,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:28:09,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:28:09,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:28:09,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:28:09,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:28:09,582 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:28:09,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:28:09,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:28:09,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:28:09,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:28:09,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:28:09,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:28:09,584 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:28:09,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:28:09,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:28:09,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:28:09,585 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:28:09,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:28:09,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:28:09,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:28:09,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:28:09,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:28:09,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:28:09,587 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:28:09,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:28:09,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:28:09,589 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_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d053be7ac759c4172c4b0b5fbe009ed8f624c0c8659eb750e9996926d5d3b0a1 [2022-10-17 16:28:09,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:28:09,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:28:09,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:28:09,938 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:28:09,940 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:28:09,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/s3.i [2022-10-17 16:28:10,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/data/108e128bc/66397d9edc3540ac9e3478dccd0e1c15/FLAG0ad1496c7 [2022-10-17 16:28:10,736 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:28:10,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/sv-benchmarks/c/loops/s3.i [2022-10-17 16:28:10,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/data/108e128bc/66397d9edc3540ac9e3478dccd0e1c15/FLAG0ad1496c7 [2022-10-17 16:28:10,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/data/108e128bc/66397d9edc3540ac9e3478dccd0e1c15 [2022-10-17 16:28:10,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:28:10,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:28:10,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:28:10,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:28:10,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:28:10,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:10" (1/1) ... [2022-10-17 16:28:10,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc02e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:10, skipping insertion in model container [2022-10-17 16:28:10,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:28:10" (1/1) ... [2022-10-17 16:28:10,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:28:11,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:28:11,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/sv-benchmarks/c/loops/s3.i[64167,64180] [2022-10-17 16:28:11,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:28:11,613 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:28:11,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/sv-benchmarks/c/loops/s3.i[64167,64180] [2022-10-17 16:28:11,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:28:11,782 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:28:11,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11 WrapperNode [2022-10-17 16:28:11,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:28:11,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:28:11,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:28:11,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:28:11,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:11,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:11,910 INFO L138 Inliner]: procedures = 30, calls = 222, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 732 [2022-10-17 16:28:11,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:28:11,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:28:11,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:28:11,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:28:11,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:11,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:11,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:11,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,075 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:28:12,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:28:12,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:28:12,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:28:12,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:28:11" (1/1) ... [2022-10-17 16:28:12,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:28:12,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:28:12,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:28:12,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814ea36a-336f-4482-b667-fa9cc7425e7a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:28:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:28:12,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:28:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:28:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:28:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:28:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:28:12,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:28:12,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:28:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:28:12,415 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:28:12,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:28:12,453 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 16:28:23,602 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-10-17 16:28:23,602 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-10-17 16:28:23,602 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:28:24,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:28:24,018 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:28:24,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:24 BoogieIcfgContainer [2022-10-17 16:28:24,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:28:24,023 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:28:24,023 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:28:24,035 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:28:24,036 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:28:24" (1/1) ... [2022-10-17 16:28:24,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:28:24,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2022-10-17 16:28:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2022-10-17 16:28:24,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:28:24,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:24,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:30,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:28:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 179 transitions. [2022-10-17 16:28:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2022-10-17 16:28:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:28:30,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2022-10-17 16:28:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2022-10-17 16:28:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:28:30,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:30,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2022-10-17 16:28:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2022-10-17 16:28:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:28:31,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 186 transitions. [2022-10-17 16:28:31,497 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 186 transitions. [2022-10-17 16:28:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:28:31,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:31,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:28:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 215 transitions. [2022-10-17 16:28:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 215 transitions. [2022-10-17 16:28:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:28:32,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:32,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:33,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 136 states and 252 transitions. [2022-10-17 16:28:33,593 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 252 transitions. [2022-10-17 16:28:33,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:28:33,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:33,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:43,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 16:28:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 145 states and 285 transitions. [2022-10-17 16:28:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 285 transitions. [2022-10-17 16:28:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:44,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 145 states and 284 transitions. [2022-10-17 16:28:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 284 transitions. [2022-10-17 16:28:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:44,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:44,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:45,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 144 states and 284 transitions. [2022-10-17 16:28:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 284 transitions. [2022-10-17 16:28:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:45,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:45,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:45,486 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:46,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 156 states and 312 transitions. [2022-10-17 16:28:46,361 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 312 transitions. [2022-10-17 16:28:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:46,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:47,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 158 states and 318 transitions. [2022-10-17 16:28:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 318 transitions. [2022-10-17 16:28:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:47,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:47,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 159 states and 321 transitions. [2022-10-17 16:28:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 321 transitions. [2022-10-17 16:28:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:28:47,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:47,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:28:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:47,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 160 states and 322 transitions. [2022-10-17 16:28:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 322 transitions. [2022-10-17 16:28:47,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:28:47,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:47,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:28:47,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:47,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 160 states and 321 transitions. [2022-10-17 16:28:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 321 transitions. [2022-10-17 16:28:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:28:47,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:47,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:28:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:28:48,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 163 states and 325 transitions. [2022-10-17 16:28:48,216 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 325 transitions. [2022-10-17 16:28:48,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:28:48,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:28:48,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:28:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:28:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.