./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/conda.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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/conda.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/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 4382625030c70271d5cb32641146c4ec68928c0500a545b71e51fae395fc6041 --- 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 16:57:10,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:10,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:10,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:10,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:10,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:10,479 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:10,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:10,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:10,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:10,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:10,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:10,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:10,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:10,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:10,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:10,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:10,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:10,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:10,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:10,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:10,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:10,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:10,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:10,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:10,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:10,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:10,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:10,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:10,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:10,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:10,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:10,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:10,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:10,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:10,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:10,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:10,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:10,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:10,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:10,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:10,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:10,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:10,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:10,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:10,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:10,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:10,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:10,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:10,577 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:10,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:10,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:10,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:10,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:10,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:10,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:10,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:10,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:10,580 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:10,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:10,580 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:10,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:10,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:10,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:10,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:10,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:10,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:10,582 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:10,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:10,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:10,583 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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4382625030c70271d5cb32641146c4ec68928c0500a545b71e51fae395fc6041 [2022-10-17 16:57:10,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:10,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:10,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:10,918 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:10,920 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:10,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/conda.c [2022-10-17 16:57:11,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/data/27237607d/96715b143f6d4ecdb695b22f3fcfceff/FLAG9b3e5df79 [2022-10-17 16:57:11,487 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:11,488 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/sv-benchmarks/c/array-fpi/conda.c [2022-10-17 16:57:11,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/data/27237607d/96715b143f6d4ecdb695b22f3fcfceff/FLAG9b3e5df79 [2022-10-17 16:57:11,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/data/27237607d/96715b143f6d4ecdb695b22f3fcfceff [2022-10-17 16:57:11,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:11,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:11,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:11,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:11,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:11,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:11" (1/1) ... [2022-10-17 16:57:11,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a814703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:11, skipping insertion in model container [2022-10-17 16:57:11,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:11" (1/1) ... [2022-10-17 16:57:11,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:11,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:12,114 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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/sv-benchmarks/c/array-fpi/conda.c[588,601] [2022-10-17 16:57:12,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:12,164 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:12,181 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_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/sv-benchmarks/c/array-fpi/conda.c[588,601] [2022-10-17 16:57:12,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:12,225 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:12,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12 WrapperNode [2022-10-17 16:57:12,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:12,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:12,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:12,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:12,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,266 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-10-17 16:57:12,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:12,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:12,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:12,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:12,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:12,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:12,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:12,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:12,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:12,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:12,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9ed66e4-a39b-4bfa-8c49-a4fbf093533d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:12,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:12,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:57:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:57:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:57:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:12,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:12,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:57:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:57:12,489 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:12,491 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:12,709 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:12,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:12,762 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:57:12,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:12 BoogieIcfgContainer [2022-10-17 16:57:12,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:12,766 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:12,766 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:12,781 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:12,781 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:57:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:57:12,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:12,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:12,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:13,260 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 16:57:13,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:57:13,354 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:57:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:13,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:13,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:13,459 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 16:57:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:13,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:57:13,550 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:57:13,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:57:13,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:13,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:57:13,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:57:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:57:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:57:13,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2022-10-17 16:57:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2022-10-17 16:57:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:16,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 24 states and 54 transitions. [2022-10-17 16:57:16,963 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 54 transitions. [2022-10-17 16:57:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:16,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:16,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 16:57:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 16:57:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:17,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2022-10-17 16:57:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2022-10-17 16:57:18,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:18,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:18,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:57:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2022-10-17 16:57:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2022-10-17 16:57:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:18,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:18,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:57:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 63 transitions. [2022-10-17 16:57:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 63 transitions. [2022-10-17 16:57:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:19,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:25,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2022-10-17 16:57:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2022-10-17 16:57:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:25,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 43 states and 112 transitions. [2022-10-17 16:57:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 112 transitions. [2022-10-17 16:57:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:29,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:29,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:31,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 89 transitions. [2022-10-17 16:57:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 89 transitions. [2022-10-17 16:57:31,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:31,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:31,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:57:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 102 transitions. [2022-10-17 16:57:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 102 transitions. [2022-10-17 16:57:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:34,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:34,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:57:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 43 states and 99 transitions. [2022-10-17 16:57:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2022-10-17 16:57:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:35,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:35,823 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:57:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 47 states and 118 transitions. [2022-10-17 16:57:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 118 transitions. [2022-10-17 16:57:37,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:37,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:57:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 48 states and 120 transitions. [2022-10-17 16:57:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 120 transitions. [2022-10-17 16:57:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:38,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:38,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat