./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/avg.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_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/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_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/avg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/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_4b597d2a-d5db-4982-838a-42b4064d00ea/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 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 --- 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 17:02:14,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:14,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:14,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:14,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:14,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:14,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:14,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:14,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:14,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:14,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:14,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:14,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:14,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:14,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:14,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:14,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:14,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:14,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:14,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:14,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:14,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:14,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:14,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:14,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:14,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:14,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:14,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:14,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:14,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:14,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:14,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:14,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:14,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:14,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:14,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:14,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:14,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:14,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:14,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:14,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:14,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:14,566 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:14,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:14,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:14,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:14,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:14,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:14,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:14,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:14,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:14,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:14,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:14,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:14,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:14,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:14,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:14,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:14,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:14,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:14,572 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:14,572 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:14,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:14,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:14,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:14,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:14,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:14,574 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:14,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:14,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:14,575 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_4b597d2a-d5db-4982-838a-42b4064d00ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40ea744e34964af110b03a02fd30edb5f9eceb5eca9cf560d6cf7ef319b1e1e5 [2022-10-17 17:02:14,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:14,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:14,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:14,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:14,884 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:14,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/reducercommutativity/avg.i [2022-10-17 17:02:14,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/data/4f48f12d3/00642dfb1c0543289a6562bef2236b8c/FLAGb0233c928 [2022-10-17 17:02:15,518 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:15,520 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/sv-benchmarks/c/reducercommutativity/avg.i [2022-10-17 17:02:15,530 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/data/4f48f12d3/00642dfb1c0543289a6562bef2236b8c/FLAGb0233c928 [2022-10-17 17:02:15,859 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/data/4f48f12d3/00642dfb1c0543289a6562bef2236b8c [2022-10-17 17:02:15,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:15,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:15,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:15,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:15,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:15,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406fc5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15, skipping insertion in model container [2022-10-17 17:02:15,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:15,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:16,133 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_4b597d2a-d5db-4982-838a-42b4064d00ea/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2022-10-17 17:02:16,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:16,157 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:16,209 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_4b597d2a-d5db-4982-838a-42b4064d00ea/sv-benchmarks/c/reducercommutativity/avg.i[1286,1299] [2022-10-17 17:02:16,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:16,228 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:16,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16 WrapperNode [2022-10-17 17:02:16,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:16,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:16,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:16,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:16,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,288 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-10-17 17:02:16,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:16,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:16,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:16,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:16,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:16,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:16,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:16,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:16,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:16,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:16,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:16,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b597d2a-d5db-4982-838a-42b4064d00ea/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:16,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:16,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2022-10-17 17:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2022-10-17 17:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:16,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:16,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:16,478 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:16,480 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:16,687 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:16,726 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:16,726 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:02:16,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:16 BoogieIcfgContainer [2022-10-17 17:02:16,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:16,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:16,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:16,744 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:16,744 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:16" (1/1) ... [2022-10-17 17:02:16,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:16,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 17:02:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 17:02:16,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:16,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:17,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:02:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 27 transitions. [2022-10-17 17:02:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 17:02:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:02:17,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:02:17,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:02:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 28 transitions. [2022-10-17 17:02:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 17:02:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:02:17,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:17,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:17,717 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:02:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 30 transitions. [2022-10-17 17:02:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 17:02:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:02:17,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:17,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 17:02:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 32 transitions. [2022-10-17 17:02:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 17:02:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:02:18,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:18,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:02:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 17:02:18,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 17:02:18,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:02:18,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,722 WARN L261 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 99 conjunts are in the unsatisfiable core [2022-10-17 17:02:18,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:19,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:02:19,887 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:02:19,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 269 treesize of output 139 [2022-10-17 17:02:44,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:02:44,386 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:02:44,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 509 treesize of output 264 [2022-10-17 17:02:55,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:02:55,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:02:55,164 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 17:02:55,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 418 treesize of output 276