./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2.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_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/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_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/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_929ab022-b604-48f9-98b4-ca317540dfd6/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 fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 --- 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 16:39:39,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:39,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:39,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:39,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:39,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:39,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:39,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:39,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:39,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:39,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:39,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:39,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:39,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:39,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:39,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:39,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:39,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:39,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:39,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:39,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:39,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:39,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:39,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:39,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:39,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:39,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:39,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:39,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:39,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:39,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:39,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:39,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:39,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:39,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:39,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:39,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:39,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:39,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:39,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:39,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:39,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:39,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:39,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:39,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:39,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:39,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:39,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:39,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:39,984 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:39,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:39,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:39,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:39,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:39,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:39,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:39,985 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:39,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:39,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:39,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:39,986 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:39,986 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:39,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:39,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:39,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:39,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:39,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:39,987 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:39,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:39,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:39,988 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_929ab022-b604-48f9-98b4-ca317540dfd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc354f47e1cc26b26f82415b2113a1e937a24cebf9ecb225fe7f6242be1c8136 [2022-10-17 16:39:40,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:40,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:40,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:40,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:40,269 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:40,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/brs2.c [2022-10-17 16:39:40,342 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/data/e2f09d3d5/9fd689279e024fbd8a701ea4e1ae8bf8/FLAG959c48026 [2022-10-17 16:39:40,780 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:40,780 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/sv-benchmarks/c/array-fpi/brs2.c [2022-10-17 16:39:40,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/data/e2f09d3d5/9fd689279e024fbd8a701ea4e1ae8bf8/FLAG959c48026 [2022-10-17 16:39:41,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/data/e2f09d3d5/9fd689279e024fbd8a701ea4e1ae8bf8 [2022-10-17 16:39:41,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:41,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:41,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:41,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:41,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:41,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c277a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41, skipping insertion in model container [2022-10-17 16:39:41,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:41,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:41,418 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_929ab022-b604-48f9-98b4-ca317540dfd6/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2022-10-17 16:39:41,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:41,447 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:41,461 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_929ab022-b604-48f9-98b4-ca317540dfd6/sv-benchmarks/c/array-fpi/brs2.c[587,600] [2022-10-17 16:39:41,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:41,482 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:41,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41 WrapperNode [2022-10-17 16:39:41,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:41,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:41,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:41,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:41,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,521 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2022-10-17 16:39:41,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:41,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:41,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:41,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:41,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:41,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:41,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:41,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:41,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:41,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:41,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:41,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929ab022-b604-48f9-98b4-ca317540dfd6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:41,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:41,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:41,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:41,699 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:41,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:41,860 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:41,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:41,962 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:41,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:41 BoogieIcfgContainer [2022-10-17 16:39:41,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:41,965 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:41,965 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:41,975 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:41,975 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:41" (1/1) ... [2022-10-17 16:39:41,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:39:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:39:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:42,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,370 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 16:39:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:39:42,421 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:39:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:42,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,586 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 16:39:42,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:39:42,694 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:39:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:42,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,057 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 16:39:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 16:39:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 16:39:43,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:43,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,420 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 16:39:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 16:39:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 16:39:43,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:43,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:44,946 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 16:39:46,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 20 states and 40 transitions. [2022-10-17 16:39:46,174 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 40 transitions. [2022-10-17 16:39:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:46,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:46,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,395 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 16:39:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2022-10-17 16:39:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2022-10-17 16:39:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:47,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:47,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:49,003 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 16:39:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2022-10-17 16:39:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2022-10-17 16:39:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:50,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:52,215 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 16:39:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 29 states and 76 transitions. [2022-10-17 16:39:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 76 transitions. [2022-10-17 16:39:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:39:53,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:54,060 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 16:39:55,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 34 states and 90 transitions. [2022-10-17 16:39:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 90 transitions. [2022-10-17 16:39:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:55,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:55,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:56,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 35 states and 91 transitions. [2022-10-17 16:39:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 91 transitions. [2022-10-17 16:39:56,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:56,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,071 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 16:40:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 39 states and 106 transitions. [2022-10-17 16:40:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 106 transitions. [2022-10-17 16:40:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:01,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,081 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 16:40:04,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:04,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 44 states and 116 transitions. [2022-10-17 16:40:04,049 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 116 transitions. [2022-10-17 16:40:04,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:04,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,585 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 16:40:11,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 48 states and 129 transitions. [2022-10-17 16:40:11,228 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 129 transitions. [2022-10-17 16:40:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:11,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat