./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 0f2b1437458922f937e4f63e8c97355790d0c2b77a3c021e76d395c8c90c4257 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:24:29,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:24:29,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:24:29,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:24:29,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:24:29,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:24:29,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:24:29,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:24:29,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:24:29,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:24:29,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:24:29,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:24:29,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:24:29,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:24:29,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:24:29,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:24:29,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:24:29,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:24:29,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:24:29,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:24:29,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:24:29,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:24:29,569 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:24:29,570 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:24:29,570 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:24:29,570 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:24:29,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:24:29,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:29,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:24:29,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:24:29,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:24:29,572 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:24:29,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:24:29,573 INFO L153 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_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2b1437458922f937e4f63e8c97355790d0c2b77a3c021e76d395c8c90c4257 [2024-11-09 00:24:29,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:24:29,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:24:29,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:24:29,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:24:29,879 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:24:29,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-data/shared_mem2.i Unable to find full path for "g++" [2024-11-09 00:24:32,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:24:32,236 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:24:32,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/sv-benchmarks/c/heap-data/shared_mem2.i [2024-11-09 00:24:32,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/data/dcba263bf/ea6ea14fa30444259389cffe17b055a4/FLAG3cf22468f [2024-11-09 00:24:32,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/data/dcba263bf/ea6ea14fa30444259389cffe17b055a4 [2024-11-09 00:24:32,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:24:32,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:24:32,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:32,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:24:32,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:24:32,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:32" (1/1) ... [2024-11-09 00:24:32,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704ab28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:32, skipping insertion in model container [2024-11-09 00:24:32,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:24:32" (1/1) ... [2024-11-09 00:24:32,709 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:24:33,081 WARN L250 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_0f4a6340-d8cb-478a-b3ac-3f355c81f230/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2024-11-09 00:24:33,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:33,101 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:24:33,173 WARN L250 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_0f4a6340-d8cb-478a-b3ac-3f355c81f230/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2024-11-09 00:24:33,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:24:33,214 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:24:33,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33 WrapperNode [2024-11-09 00:24:33,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:24:33,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:33,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:24:33,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:24:33,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,269 INFO L138 Inliner]: procedures = 121, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2024-11-09 00:24:33,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:24:33,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:24:33,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:24:33,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:24:33,282 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:24:33,318 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:24:33,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:24:33,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:24:33,319 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:24:33,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:24:33,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:24:33,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:24:33,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:24:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:24:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:24:33,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:24:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:24:33,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:24:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:24:33,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:24:33,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:24:33,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:24:33,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:24:33,710 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 00:24:33,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:24:33,804 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:24:33,805 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:24:33,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:33 BoogieIcfgContainer [2024-11-09 00:24:33,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:24:33,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:24:33,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:24:33,818 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:24:33,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:33" (1/1) ... [2024-11-09 00:24:33,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:24:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-09 00:24:33,886 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-09 00:24:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:24:33,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:33,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:34,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:34,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-11-09 00:24:34,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-11-09 00:24:34,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:24:34,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:34,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-09 00:24:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-09 00:24:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:24:34,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:34,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2024-11-09 00:24:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2024-11-09 00:24:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:24:36,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:36,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 59 transitions. [2024-11-09 00:24:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 59 transitions. [2024-11-09 00:24:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:24:36,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:36,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:37,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:24:38,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2024-11-09 00:24:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2024-11-09 00:24:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:24:38,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:24:41,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 40 states and 97 transitions. [2024-11-09 00:24:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 97 transitions. [2024-11-09 00:24:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:24:41,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:41,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:24:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 32 states and 69 transitions. [2024-11-09 00:24:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 69 transitions. [2024-11-09 00:24:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:24:42,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:24:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:42,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 32 states and 68 transitions. [2024-11-09 00:24:42,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 68 transitions. [2024-11-09 00:24:42,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:24:42,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:24:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:24:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 26 states and 62 transitions. [2024-11-09 00:24:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 62 transitions. [2024-11-09 00:24:43,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:24:43,401 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-09 00:24:43,409 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:24:43,719 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:24:43,719 INFO L77 FloydHoareUtils]: At program point L576(lines 576 602) the Hoare annotation is: true [2024-11-09 00:24:43,719 INFO L75 FloydHoareUtils]: For program point L601(line 601) no Hoare annotation was computed. [2024-11-09 00:24:43,720 INFO L77 FloydHoareUtils]: At program point L595-1(lines 595 599) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|))) (and (or (< |ULTIMATE.start_main_#t~mem8#1| 100) (= .cse0 100)) (= .cse0 |ULTIMATE.start_main_#t~mem8#1|))) [2024-11-09 00:24:43,720 INFO L77 FloydHoareUtils]: At program point L595-3(lines 595 599) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|))) (or (< .cse0 100) (= .cse0 100))) [2024-11-09 00:24:43,720 INFO L77 FloydHoareUtils]: At program point L595-4(lines 595 599) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 100) [2024-11-09 00:24:43,720 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:24:43,722 INFO L77 FloydHoareUtils]: At program point L600(lines 600 601) the Hoare annotation is: (= |ULTIMATE.start_main_#t~mem16#1| 100) [2024-11-09 00:24:43,722 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2024-11-09 00:24:43,723 INFO L77 FloydHoareUtils]: At program point L584-1(lines 584 593) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~m~0#1.base|) 1)) [2024-11-09 00:24:43,723 INFO L77 FloydHoareUtils]: At program point L584-3(lines 584 593) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (not (= |ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~list~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_main_~m~0#1.base|) 1)) [2024-11-09 00:24:43,723 INFO L77 FloydHoareUtils]: At program point L584-4(lines 584 593) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_~m~0#1.base| |ULTIMATE.start_main_~head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) [2024-11-09 00:24:43,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:24:43 ImpRootNode [2024-11-09 00:24:43,735 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:24:43,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:24:43,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:24:43,736 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:24:43,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:24:33" (3/4) ... [2024-11-09 00:24:43,739 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:24:43,747 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 00:24:43,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 00:24:43,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:24:43,748 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:24:43,850 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:24:43,851 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:24:43,851 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:24:43,851 INFO L158 Benchmark]: Toolchain (without parser) took 11249.57ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 146.1MB in the beginning and 121.0MB in the end (delta: 25.1MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,852 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:24:43,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.32ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 126.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.28ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,853 INFO L158 Benchmark]: Boogie Preprocessor took 45.38ms. Allocated memory is still 186.6MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,853 INFO L158 Benchmark]: RCFGBuilder took 487.82ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 104.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,854 INFO L158 Benchmark]: CodeCheck took 9928.80ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 104.8MB in the beginning and 125.2MB in the end (delta: -20.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,854 INFO L158 Benchmark]: Witness Printer took 115.41ms. Allocated memory is still 270.5MB. Free memory was 125.2MB in the beginning and 121.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:24:43,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 252 mSDsCounter, 243 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1284 IncrementalHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 243 mSolverCounterUnsat, 113 mSDtfsCounter, 1284 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1151 GetRequests, 1051 SyntacticMatches, 6 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3560 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 29/46 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 601]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 140.5MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.32ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 126.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.28ms. Allocated memory is still 186.6MB. Free memory was 126.6MB in the beginning and 124.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.38ms. Allocated memory is still 186.6MB. Free memory was 124.5MB in the beginning and 123.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.82ms. Allocated memory is still 186.6MB. Free memory was 123.0MB in the beginning and 104.8MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9928.80ms. Allocated memory was 186.6MB in the beginning and 270.5MB in the end (delta: 83.9MB). Free memory was 104.8MB in the beginning and 125.2MB in the end (delta: -20.4MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Witness Printer took 115.41ms. Allocated memory is still 270.5MB. Free memory was 125.2MB in the beginning and 121.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:24:43,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4a6340-d8cb-478a-b3ac-3f355c81f230/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE