./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs5.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_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/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_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/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_0d43298d-5995-4a6a-b084-bea6d5ba150c/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 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 --- 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 17:05:48,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:48,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:48,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:48,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:48,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:48,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:48,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:48,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:48,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:48,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:48,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:48,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:48,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:48,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:48,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:48,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:48,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:48,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:48,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:48,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:48,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:48,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:48,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:48,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:48,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:48,392 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:48,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:48,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:48,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:48,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:48,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:48,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:48,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:48,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:48,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:48,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:48,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:48,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:48,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:48,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:48,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:48,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:48,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:48,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:48,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:48,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:48,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:48,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:48,464 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:48,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:48,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:48,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:48,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:48,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:48,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:48,465 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:48,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:48,466 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:48,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:48,466 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:48,466 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:48,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:48,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:48,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:48,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:48,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:48,468 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:48,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:48,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:48,468 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_0d43298d-5995-4a6a-b084-bea6d5ba150c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908db381a067cd65920e47aeaa3ff4913a67de2048af6864f01f76e8ca691571 [2022-10-17 17:05:48,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:48,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:48,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:48,717 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:48,718 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:48,721 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/brs5.c [2022-10-17 17:05:48,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/data/63c15e41d/a157985ce5004f508e2c612f1ae38bac/FLAG216b500c8 [2022-10-17 17:05:49,237 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:49,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/sv-benchmarks/c/array-fpi/brs5.c [2022-10-17 17:05:49,244 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/data/63c15e41d/a157985ce5004f508e2c612f1ae38bac/FLAG216b500c8 [2022-10-17 17:05:49,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/data/63c15e41d/a157985ce5004f508e2c612f1ae38bac [2022-10-17 17:05:49,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:49,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:49,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:49,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:49,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:49,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39564a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49, skipping insertion in model container [2022-10-17 17:05:49,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:49,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:49,827 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_0d43298d-5995-4a6a-b084-bea6d5ba150c/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2022-10-17 17:05:49,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:49,872 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:49,889 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_0d43298d-5995-4a6a-b084-bea6d5ba150c/sv-benchmarks/c/array-fpi/brs5.c[587,600] [2022-10-17 17:05:49,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:49,929 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:49,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49 WrapperNode [2022-10-17 17:05:49,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:49,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:49,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:49,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:49,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,988 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2022-10-17 17:05:49,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:49,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:49,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:49,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:49,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:49,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,026 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:50,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:50,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:50,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:50,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:49" (1/1) ... [2022-10-17 17:05:50,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:50,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:50,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:50,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d43298d-5995-4a6a-b084-bea6d5ba150c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:05:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:05:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:50,195 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:50,196 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:50,401 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:50,496 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:50,497 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:05:50,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:50 BoogieIcfgContainer [2022-10-17 17:05:50,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:50,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:50,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:50,514 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:50,514 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:50" (1/1) ... [2022-10-17 17:05:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 17:05:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 17:05:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:50,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:50,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:50,896 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 17:05:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 17:05:50,982 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 17:05:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:50,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:50,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:05:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 17:05:51,344 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 17:05:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:51,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:51,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:05:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 17:05:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 17:05:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:05:51,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:51,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:52,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:52,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 17:05:52,524 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 17:05:52,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:52,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2022-10-17 17:05:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2022-10-17 17:05:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:05:54,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2022-10-17 17:05:55,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2022-10-17 17:05:55,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:55,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2022-10-17 17:05:58,526 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2022-10-17 17:05:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:05:58,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:00,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2022-10-17 17:06:00,475 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2022-10-17 17:06:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:00,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,837 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:05,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 35 states and 84 transitions. [2022-10-17 17:06:05,279 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 84 transitions. [2022-10-17 17:06:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:05,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 37 states and 97 transitions. [2022-10-17 17:06:08,762 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 97 transitions. [2022-10-17 17:06:08,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:08,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:08,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,129 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:10,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 41 states and 105 transitions. [2022-10-17 17:06:10,687 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 105 transitions. [2022-10-17 17:06:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:10,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 46 states and 132 transitions. [2022-10-17 17:06:17,994 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 132 transitions. [2022-10-17 17:06:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:17,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat