./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0137.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/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_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0137.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c2d362b3c58f37a9b1e964b448eb3d54c85d26676417295a73853b3a7cc716a --- 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 16:43:42,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:42,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:42,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:42,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:42,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:42,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:42,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:42,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:42,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:42,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:42,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:42,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:42,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:42,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:42,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:42,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:42,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:42,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:42,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:42,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:42,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:42,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:42,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:42,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:42,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:42,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:42,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:42,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:42,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:42,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:42,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:42,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:42,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:42,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:42,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:42,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:42,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:42,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:42,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:42,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:42,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:43:42,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:42,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:42,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:42,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:42,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:42,386 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:42,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:43:42,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:42,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:42,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:42,387 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:43:42,387 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:43:42,387 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:43:42,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:42,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:42,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:42,388 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:42,388 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:42,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:42,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:42,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:42,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:42,390 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:42,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:42,390 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_424019e6-dd29-46e2-a696-2d528a7f710e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c2d362b3c58f37a9b1e964b448eb3d54c85d26676417295a73853b3a7cc716a [2022-10-17 16:43:42,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:42,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:42,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:42,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:42,744 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:42,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety/test-0137.i [2022-10-17 16:43:42,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/data/2ba31ca00/284749f51733457e96fa9cad199d31d5/FLAG58a61c5f9 [2022-10-17 16:43:43,302 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:43,303 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/sv-benchmarks/c/memsafety/test-0137.i [2022-10-17 16:43:43,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/data/2ba31ca00/284749f51733457e96fa9cad199d31d5/FLAG58a61c5f9 [2022-10-17 16:43:43,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/data/2ba31ca00/284749f51733457e96fa9cad199d31d5 [2022-10-17 16:43:43,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:43,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:43,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:43,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:43,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:43,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:43" (1/1) ... [2022-10-17 16:43:43,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218b0098 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:43, skipping insertion in model container [2022-10-17 16:43:43,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:43" (1/1) ... [2022-10-17 16:43:43,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:43,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:44,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:44,087 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:44,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:44,177 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:44,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44 WrapperNode [2022-10-17 16:43:44,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:44,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:44,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:44,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:44,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,279 INFO L138 Inliner]: procedures = 137, calls = 60, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 180 [2022-10-17 16:43:44,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:44,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:44,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:44,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:44,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,360 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:44,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:44,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:44,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:44,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:44,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:44,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:44,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_424019e6-dd29-46e2-a696-2d528a7f710e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:44,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:43:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:43:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:43:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:43:44,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:43:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:43:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:43:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:43:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:44,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:44,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:44,586 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:44,588 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:45,297 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:45,467 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:45,468 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:43:45,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:45 BoogieIcfgContainer [2022-10-17 16:43:45,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:45,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:45,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:45,484 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:45,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:45" (1/1) ... [2022-10-17 16:43:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 121 states and 129 transitions. [2022-10-17 16:43:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 129 transitions. [2022-10-17 16:43:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:43:45,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:45,805 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 16:43:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:45,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2022-10-17 16:43:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2022-10-17 16:43:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:43:45,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:46,001 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 16:43:46,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:46,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 119 states and 126 transitions. [2022-10-17 16:43:46,100 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2022-10-17 16:43:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:43:46,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:46,318 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 16:43:46,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2022-10-17 16:43:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2022-10-17 16:43:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:43:46,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:46,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:46,882 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 16:43:47,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2022-10-17 16:43:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2022-10-17 16:43:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:43:47,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:47,766 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 16:43:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 129 states and 145 transitions. [2022-10-17 16:43:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 145 transitions. [2022-10-17 16:43:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:43:48,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:48,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:49,037 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 16:43:50,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 133 states and 153 transitions. [2022-10-17 16:43:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2022-10-17 16:43:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:43:50,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:50,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:50,470 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 16:43:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 158 transitions. [2022-10-17 16:43:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2022-10-17 16:43:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:43:51,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:51,416 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 16:43:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 137 states and 163 transitions. [2022-10-17 16:43:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 163 transitions. [2022-10-17 16:43:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:43:52,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:52,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:52,558 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 16:43:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 136 states and 162 transitions. [2022-10-17 16:43:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2022-10-17 16:43:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:43:52,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:52,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:52,904 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 16:43:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 164 transitions. [2022-10-17 16:43:53,359 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2022-10-17 16:43:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:43:53,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:53,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:53,699 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 16:43:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2022-10-17 16:43:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2022-10-17 16:43:54,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:43:54,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:55,039 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 16:43:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 143 states and 175 transitions. [2022-10-17 16:43:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2022-10-17 16:43:56,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:43:56,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:56,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:57,034 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 16:43:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 150 states and 189 transitions. [2022-10-17 16:43:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2022-10-17 16:43:59,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:43:59,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:59,770 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 16:44:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 157 states and 203 transitions. [2022-10-17 16:44:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 203 transitions. [2022-10-17 16:44:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:03,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:03,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:03,534 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 16:44:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 160 states and 208 transitions. [2022-10-17 16:44:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-10-17 16:44:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:04,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 161 states and 209 transitions. [2022-10-17 16:44:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2022-10-17 16:44:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:05,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:06,191 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 16:44:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2022-10-17 16:44:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2022-10-17 16:44:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:07,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:12,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 171 states and 231 transitions. [2022-10-17 16:44:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 231 transitions. [2022-10-17 16:44:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:12,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:12,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:14,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 249 transitions. [2022-10-17 16:44:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 249 transitions. [2022-10-17 16:44:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:16,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:16,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat