./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rewrev.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/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_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/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_b874cc12-7445-4696-bd82-b04de4403180/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 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- 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 16:37:53,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:53,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:53,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:53,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:53,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:53,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:53,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:53,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:53,487 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:53,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:53,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:53,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:53,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:53,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:53,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:53,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:53,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:53,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:53,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:53,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:53,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:53,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:53,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:53,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:53,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:53,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:53,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:53,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:53,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:53,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:53,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:53,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:53,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:53,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:53,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:53,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:53,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:53,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:53,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:53,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:53,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:53,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:53,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:53,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:53,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:53,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:53,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:53,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:53,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:53,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:53,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:53,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:53,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:53,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:53,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:53,608 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:53,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:53,608 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:53,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:53,609 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:53,609 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:53,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:53,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:53,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:53,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:53,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:53,610 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:53,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:53,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:53,611 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_b874cc12-7445-4696-bd82-b04de4403180/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2022-10-17 16:37:53,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:53,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:53,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:53,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:53,912 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:53,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-tiling/rewrev.c [2022-10-17 16:37:53,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/data/7c64d84fa/b099fa8dc83542d8a7ec18f0d6da33e4/FLAGb323fae98 [2022-10-17 16:37:54,425 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:54,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/sv-benchmarks/c/array-tiling/rewrev.c [2022-10-17 16:37:54,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/data/7c64d84fa/b099fa8dc83542d8a7ec18f0d6da33e4/FLAGb323fae98 [2022-10-17 16:37:54,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/data/7c64d84fa/b099fa8dc83542d8a7ec18f0d6da33e4 [2022-10-17 16:37:54,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:54,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:54,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:54,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:54,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:54,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:54" (1/1) ... [2022-10-17 16:37:54,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32114455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:54, skipping insertion in model container [2022-10-17 16:37:54,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:54" (1/1) ... [2022-10-17 16:37:54,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:54,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:54,978 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_b874cc12-7445-4696-bd82-b04de4403180/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2022-10-17 16:37:55,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:55,040 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:55,058 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_b874cc12-7445-4696-bd82-b04de4403180/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2022-10-17 16:37:55,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:55,094 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:55,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55 WrapperNode [2022-10-17 16:37:55,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:55,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:55,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:55,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:55,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,137 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2022-10-17 16:37:55,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:55,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:55,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:55,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:55,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,168 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:55,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:55,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:55,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:55,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:55,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:55,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:55,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b874cc12-7445-4696-bd82-b04de4403180/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:55,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:55,326 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:55,328 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:55,470 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:55,510 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:55,510 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:37:55,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:55 BoogieIcfgContainer [2022-10-17 16:37:55,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:55,514 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:55,514 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:55,524 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:55,524 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:55" (1/1) ... [2022-10-17 16:37:55,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:55,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:37:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:37:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:37:55,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:55,825 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 16:37:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:37:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:37:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:55,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:55,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-10-17 16:37:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-10-17 16:37:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:56,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:56,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:56,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:37:57,298 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:37:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:57,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:37:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:37:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:58,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:58,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:01,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2022-10-17 16:38:01,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2022-10-17 16:38:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:01,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2022-10-17 16:38:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2022-10-17 16:38:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:06,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:06,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2022-10-17 16:38:06,801 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:38:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:38:06,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:06,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:10,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2022-10-17 16:38:10,382 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2022-10-17 16:38:10,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:38:10,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2022-10-17 16:38:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2022-10-17 16:38:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:38:16,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:16,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 51 states and 85 transitions. [2022-10-17 16:38:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 85 transitions. [2022-10-17 16:38:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:38:19,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 60 states and 97 transitions. [2022-10-17 16:38:23,911 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 97 transitions. [2022-10-17 16:38:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:38:23,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.