./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/sep.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_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/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_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/sep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/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_b6caa291-9397-45f1-b03e-5d9c16d351ba/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 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac --- 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 17:00:52,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:52,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:52,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:52,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:52,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:52,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:52,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:52,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:52,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:52,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:52,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:52,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:52,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:52,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:52,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:52,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:52,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:52,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:52,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:52,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:52,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:52,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:52,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:52,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:52,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:52,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:52,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:52,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:52,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:52,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:52,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:52,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:52,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:52,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:52,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:52,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:52,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:52,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:52,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:52,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:52,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:52,548 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:52,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:52,550 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:52,550 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:52,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:52,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:52,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:52,552 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:52,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:52,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:52,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:52,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:52,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:52,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:52,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:52,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:52,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:52,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:52,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:52,562 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:52,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:52,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:52,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:52,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:52,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:52,563 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:52,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:52,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:52,564 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_b6caa291-9397-45f1-b03e-5d9c16d351ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54d2da4a9e5a645ffa7361038eff25cc32e29a265e0324de9bda9a6d773becac [2022-10-17 17:00:52,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:52,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:52,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:52,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:52,965 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:52,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/reducercommutativity/sep.i [2022-10-17 17:00:53,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/data/586bd1639/b57d99084f1d44728049421de2878eb8/FLAG4b1238f20 [2022-10-17 17:00:53,570 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:53,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/sv-benchmarks/c/reducercommutativity/sep.i [2022-10-17 17:00:53,582 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/data/586bd1639/b57d99084f1d44728049421de2878eb8/FLAG4b1238f20 [2022-10-17 17:00:53,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/data/586bd1639/b57d99084f1d44728049421de2878eb8 [2022-10-17 17:00:53,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:53,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:53,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:53,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:53,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cb14d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53, skipping insertion in model container [2022-10-17 17:00:53,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:53,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:54,234 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_b6caa291-9397-45f1-b03e-5d9c16d351ba/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2022-10-17 17:00:54,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:54,248 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:54,269 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_b6caa291-9397-45f1-b03e-5d9c16d351ba/sv-benchmarks/c/reducercommutativity/sep.i[1298,1311] [2022-10-17 17:00:54,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:54,284 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:54,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54 WrapperNode [2022-10-17 17:00:54,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:54,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:54,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:54,286 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:54,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,339 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-10-17 17:00:54,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:54,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:54,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:54,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:54,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:54,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:54,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:54,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:54,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:54,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:54,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6caa291-9397-45f1-b03e-5d9c16d351ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:54,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2022-10-17 17:00:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2022-10-17 17:00:54,509 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:54,512 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:54,758 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:54,809 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:54,810 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:54,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:54 BoogieIcfgContainer [2022-10-17 17:00:54,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:54,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:54,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:54,824 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:54,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 17:00:54,962 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 17:00:54,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:54,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:00:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 28 transitions. [2022-10-17 17:00:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 17:00:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:00:55,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:00:55,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 27 transitions. [2022-10-17 17:00:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 17:00:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:55,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:00:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 21 states and 29 transitions. [2022-10-17 17:00:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 17:00:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:00:56,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 28 transitions. [2022-10-17 17:00:56,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 17:00:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:00:56,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:56,451 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:00:56,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 33 transitions. [2022-10-17 17:00:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:00:56,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:00:56,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:56,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 59 transitions. [2022-10-17 17:01:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2022-10-17 17:01:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:13,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:13,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:13,491 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 62 transitions. [2022-10-17 17:01:17,160 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2022-10-17 17:01:17,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:17,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 35 states and 59 transitions. [2022-10-17 17:01:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 17:01:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:01:19,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-17 17:01:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 35 states and 56 transitions. [2022-10-17 17:01:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-10-17 17:01:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:01:22,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,379 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.