./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcompf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/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_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcompf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/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_1a349c17-5c20-46f5-ac76-c7b3193219b3/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 c976745169334e455668d4a00daf76f0c92e9088cf6a3d705adecbf8b82b6740 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:36,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:36,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:57:36,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:57:36,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:57:36,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:36,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:36,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:36,588 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:36,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:36,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:36,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:36,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:57:36,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:57:36,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:57:36,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:36,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:36,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:36,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:36,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:36,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:57:36,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:36,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:36,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:36,602 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:36,602 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:36,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:36,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:36,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:36,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:36,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:36,604 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:57:36,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:57:36,605 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_1a349c17-5c20-46f5-ac76-c7b3193219b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c976745169334e455668d4a00daf76f0c92e9088cf6a3d705adecbf8b82b6740 [2024-11-09 00:57:36,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:37,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:37,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:37,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:37,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:37,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/ifcompf.c Unable to find full path for "g++" [2024-11-09 00:57:39,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:39,232 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:39,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/sv-benchmarks/c/array-fpi/ifcompf.c [2024-11-09 00:57:39,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/data/b4b463b0c/b10c7278bde64371a2868f77cd5e9b70/FLAGe667de95f [2024-11-09 00:57:39,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/data/b4b463b0c/b10c7278bde64371a2868f77cd5e9b70 [2024-11-09 00:57:39,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:39,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:39,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:39,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:39,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:39,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e65a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39, skipping insertion in model container [2024-11-09 00:57:39,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:39,562 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_1a349c17-5c20-46f5-ac76-c7b3193219b3/sv-benchmarks/c/array-fpi/ifcompf.c[590,603] [2024-11-09 00:57:39,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:39,602 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:39,616 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_1a349c17-5c20-46f5-ac76-c7b3193219b3/sv-benchmarks/c/array-fpi/ifcompf.c[590,603] [2024-11-09 00:57:39,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:39,647 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:39,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39 WrapperNode [2024-11-09 00:57:39,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:39,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:39,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:39,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:39,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,685 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2024-11-09 00:57:39,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:39,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:39,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:39,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:39,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:39,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:39,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:39,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:39,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:39" (1/1) ... [2024-11-09 00:57:39,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:39,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:39,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:39,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:39,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:57:39,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:57:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:57:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:57:39,869 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:39,870 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:40,087 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:40,088 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:40,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:40,168 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:57:40,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:40 BoogieIcfgContainer [2024-11-09 00:57:40,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:40,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:40,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:40,182 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:40,182 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:40" (1/1) ... [2024-11-09 00:57:40,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:40,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-09 00:57:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-09 00:57:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:57:40,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:40,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:40,679 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 00:57:40,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-09 00:57:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-09 00:57:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:57:40,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:40,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:40,988 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 00:57:41,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:41,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-09 00:57:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-09 00:57:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:57:41,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:41,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:41,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-09 00:57:41,337 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-09 00:57:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:57:41,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:41,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-09 00:57:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-09 00:57:41,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:57:41,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:41,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:57:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:57:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:57:41,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:41,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:41,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-09 00:57:41,915 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-09 00:57:41,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:57:41,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:41,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:57:42,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:42,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-09 00:57:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-09 00:57:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:57:42,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:42,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-09 00:57:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-09 00:57:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:57:42,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:42,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:42,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:57:42,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:42,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:57:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2024-11-09 00:57:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-09 00:57:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:57:43,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:43,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:45,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2024-11-09 00:57:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2024-11-09 00:57:45,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:57:45,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:45,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:45,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:46,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2024-11-09 00:57:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2024-11-09 00:57:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:57:46,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:46,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:57:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2024-11-09 00:57:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2024-11-09 00:57:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:57:48,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:48,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:57:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:48,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2024-11-09 00:57:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2024-11-09 00:57:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:57:48,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:57:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:49,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 105 transitions. [2024-11-09 00:57:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 105 transitions. [2024-11-09 00:57:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:57:49,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 00:57:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 73 states and 114 transitions. [2024-11-09 00:57:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 114 transitions. [2024-11-09 00:57:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:57:51,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:51,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:51,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:57:51,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:51,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:57:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:57:51,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-09 00:57:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:57:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:52,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2024-11-09 00:57:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2024-11-09 00:57:52,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 00:57:52,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:52,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:52,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:57:52,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:52,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2024-11-09 00:57:53,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:57:53,319 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 00:57:53,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2024-11-09 00:57:53,812 INFO L349 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2024-11-09 00:57:53,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 41 [2024-11-09 00:57:53,993 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 00:57:53,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-09 00:57:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:58:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:02,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2024-11-09 00:58:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2024-11-09 00:58:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:58:02,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:02,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:58:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2024-11-09 00:58:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2024-11-09 00:58:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:58:06,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:06,477 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-09 00:58:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2024-11-09 00:58:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2024-11-09 00:58:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:58:08,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:58:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2024-11-09 00:58:13,078 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2024-11-09 00:58:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:58:13,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:13,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:58:16,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 95 states and 131 transitions. [2024-11-09 00:58:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2024-11-09 00:58:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:58:16,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:58:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:17,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-09 00:58:17,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:17,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2024-11-09 00:58:17,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:58:17,504 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 00:58:17,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2024-11-09 00:58:17,770 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-09 00:58:17,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 46 [2024-11-09 00:58:18,547 INFO L349 Elim1Store]: treesize reduction 29, result has 27.5 percent of original size [2024-11-09 00:58:18,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 49 treesize of output 60 [2024-11-09 00:58:19,095 INFO L349 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2024-11-09 00:58:19,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 80 treesize of output 86 [2024-11-09 00:58:19,391 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-09 00:58:19,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 31 [2024-11-09 00:58:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 00:58:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:27,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 105 states and 147 transitions. [2024-11-09 00:58:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2024-11-09 00:58:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:58:27,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:27,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:58:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 114 states and 158 transitions. [2024-11-09 00:58:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2024-11-09 00:58:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:58:32,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:58:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 120 states and 166 transitions. [2024-11-09 00:58:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2024-11-09 00:58:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 00:58:36,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:36,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:58:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:58:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:58:36,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:58:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:58:36,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-09 00:58:36,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:58:36 ImpRootNode [2024-11-09 00:58:36,846 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:58:36,847 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:58:36,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:58:36,847 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:58:36,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:40" (3/4) ... [2024-11-09 00:58:36,851 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:58:36,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a349c17-5c20-46f5-ac76-c7b3193219b3/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:58:36,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:58:36,950 INFO L158 Benchmark]: Toolchain (without parser) took 57685.73ms. Allocated memory was 169.9MB in the beginning and 520.1MB in the end (delta: 350.2MB). Free memory was 138.4MB in the beginning and 353.4MB in the end (delta: -215.0MB). Peak memory consumption was 137.8MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,950 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 123.7MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:58:36,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.71ms. Allocated memory is still 169.9MB. Free memory was 138.2MB in the beginning and 131.5MB in the end (delta: 6.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.02ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 129.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,952 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 169.9MB. Free memory was 129.4MB in the beginning and 128.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,952 INFO L158 Benchmark]: RCFGBuilder took 451.75ms. Allocated memory is still 169.9MB. Free memory was 128.2MB in the beginning and 110.3MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,953 INFO L158 Benchmark]: CodeCheck took 56676.66ms. Allocated memory was 169.9MB in the beginning and 520.1MB in the end (delta: 350.2MB). Free memory was 109.4MB in the beginning and 357.6MB in the end (delta: -248.3MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,957 INFO L158 Benchmark]: Witness Printer took 102.31ms. Allocated memory is still 520.1MB. Free memory was 357.6MB in the beginning and 353.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:58:36,960 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.6s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3016 SdHoareTripleChecker+Valid, 20.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2125 mSDsluCounter, 589 SdHoareTripleChecker+Invalid, 17.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 1964 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8752 IncrementalHoareTripleChecker+Invalid, 10716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1964 mSolverCounterUnsat, 570 mSDtfsCounter, 8752 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4970 GetRequests, 4373 SyntacticMatches, 151 SemanticMatches, 446 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107026 ImplicationChecksByTransitivity, 47.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 522 ConstructedInterpolants, 28 QuantifiedInterpolants, 2766 SizeOfPredicates, 26 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 24 InterpolantComputations, 8 PerfectInterpolantSequences, 141/280 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [N=3, a={-2:0}, b={-1:0}, c={4:0}, i=0] [L32] COND FALSE !(i