./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 9bd2c7ff 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_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL --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 0.2.3-dev-9bd2c7f [2023-11-19 04:05:33,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:33,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:33,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:33,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:33,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:33,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:33,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:33,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:33,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:33,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:33,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:33,812 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:33,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:33,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:33,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:33,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:33,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:33,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:33,816 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:33,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:33,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:33,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:33,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:33,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:33,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:33,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:33,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:33,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:33,821 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:33,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:33,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:33,822 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:33,823 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_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f2b1437458922f937e4f63e8c97355790d0c2b77a3c021e76d395c8c90c4257 [2023-11-19 04:05:34,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:34,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:34,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:34,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:34,210 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:34,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/heap-data/shared_mem2.i [2023-11-19 04:05:37,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:37,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:37,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/sv-benchmarks/c/heap-data/shared_mem2.i [2023-11-19 04:05:37,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/data/d4e307ea0/fed0cfef809c4ef5be509339353531ff/FLAGf06f521ba [2023-11-19 04:05:37,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/data/d4e307ea0/fed0cfef809c4ef5be509339353531ff [2023-11-19 04:05:37,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:37,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:37,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:37,589 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:37,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:37,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:37" (1/1) ... [2023-11-19 04:05:37,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae6df51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:37, skipping insertion in model container [2023-11-19 04:05:37,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:37" (1/1) ... [2023-11-19 04:05:37,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:37,981 WARN L240 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_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2023-11-19 04:05:37,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:38,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:38,071 WARN L240 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_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/sv-benchmarks/c/heap-data/shared_mem2.i[23827,23840] [2023-11-19 04:05:38,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:38,107 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:38,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38 WrapperNode [2023-11-19 04:05:38,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:38,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:38,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:38,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:38,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,153 INFO L138 Inliner]: procedures = 121, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2023-11-19 04:05:38,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:38,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:38,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:38,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:38,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:38,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:38,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:38,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:38,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:38,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:38,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:38,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:05:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:05:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:05:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:05:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:05:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:38,474 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:38,477 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:38,718 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:38,786 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:38,786 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:05:38,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:38 BoogieIcfgContainer [2023-11-19 04:05:38,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:38,792 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:38,792 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:38,802 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:38,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:38" (1/1) ... [2023-11-19 04:05:38,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:38,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-19 04:05:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-19 04:05:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:05:38,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-19 04:05:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-19 04:05:39,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:05:39,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:39,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 04:05:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 04:05:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:40,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:40,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:41,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 24 states and 48 transitions. [2023-11-19 04:05:41,398 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 48 transitions. [2023-11-19 04:05:41,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:05:41,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:41,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2023-11-19 04:05:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2023-11-19 04:05:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:42,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:43,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2023-11-19 04:05:46,247 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2023-11-19 04:05:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:46,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:46,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:05:46,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 35 states and 79 transitions. [2023-11-19 04:05:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 79 transitions. [2023-11-19 04:05:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:05:46,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:46,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:47,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:47,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2023-11-19 04:05:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2023-11-19 04:05:47,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:47,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:47,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:48,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:48,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 37 states and 87 transitions. [2023-11-19 04:05:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 87 transitions. [2023-11-19 04:05:48,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:05:48,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:48,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:05:49,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 24 states and 50 transitions. [2023-11-19 04:05:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 50 transitions. [2023-11-19 04:05:49,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:05:49,354 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2023-11-19 04:05:49,363 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:05:49,601 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-11-19 04:05:49,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated [2023-11-19 04:05:49,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[~m~0!base] could not be translated [2023-11-19 04:05:49,627 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2023-11-19 04:05:49,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated [2023-11-19 04:05:49,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated [2023-11-19 04:05:49,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:05:49 ImpRootNode [2023-11-19 04:05:49,631 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:05:49,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:05:49,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:05:49,633 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:05:49,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:38" (3/4) ... [2023-11-19 04:05:49,636 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:05:49,647 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 04:05:49,648 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:05:49,648 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:05:49,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:05:49,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:05:49,782 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:05:49,782 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:05:49,783 INFO L158 Benchmark]: Toolchain (without parser) took 12195.96ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 112.1MB in the beginning and 173.7MB in the end (delta: -61.6MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,783 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:05:49,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.27ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 94.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 92.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,786 INFO L158 Benchmark]: Boogie Preprocessor took 117.92ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 120.7MB in the end (delta: -27.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,787 INFO L158 Benchmark]: RCFGBuilder took 517.81ms. Allocated memory is still 151.0MB. Free memory was 120.7MB in the beginning and 100.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,787 INFO L158 Benchmark]: CodeCheck took 10839.68ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 100.9MB in the beginning and 177.9MB in the end (delta: -77.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,788 INFO L158 Benchmark]: Witness Printer took 150.70ms. Allocated memory is still 264.2MB. Free memory was 177.9MB in the beginning and 173.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:05:49,790 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: 10.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 352 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 311 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 198 mSDsCounter, 225 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1196 IncrementalHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 225 mSolverCounterUnsat, 113 mSDtfsCounter, 1196 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1158 GetRequests, 1042 SyntacticMatches, 22 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3651 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 1103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 22/46 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 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.27ms. Allocated memory is still 151.0MB. Free memory was 111.9MB in the beginning and 94.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 151.0MB. Free memory was 94.8MB in the beginning and 92.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.92ms. Allocated memory is still 151.0MB. Free memory was 92.8MB in the beginning and 120.7MB in the end (delta: -27.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 517.81ms. Allocated memory is still 151.0MB. Free memory was 120.7MB in the beginning and 100.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10839.68ms. Allocated memory was 151.0MB in the beginning and 264.2MB in the end (delta: 113.2MB). Free memory was 100.9MB in the beginning and 177.9MB in the end (delta: -77.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Witness Printer took 150.70ms. Allocated memory is still 264.2MB. Free memory was 177.9MB in the beginning and 173.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[~m~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~m~0!base][~m~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 04:05:49,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c9b42ac-386d-4793-8bf1-f8ea69b5b068/bin/ukojak-verify-G8NBE6pJGL/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