./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1iff.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_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/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_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/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_77838895-cf93-4460-95c9-16104654039b/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 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:59:56,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:59:56,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:59:56,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:59:56,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:59:56,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:59:56,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:59:56,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:59:56,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:59:56,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:59:56,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:59:56,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:59:56,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:59:56,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:59:56,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:59:56,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:59:56,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:59:56,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:59:56,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:59:56,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:59:56,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:59:56,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:59:56,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:59:56,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:59:56,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:59:56,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:59:56,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:59:56,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:56,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:59:56,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:59:56,709 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:59:56,709 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:59:56,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:59:56,709 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_77838895-cf93-4460-95c9-16104654039b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1db85e7c0edb4fd41a35742a3318c79833e1ee4b0f0abb2fb59241212e3e7429 [2024-11-08 23:59:56,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:59:57,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:59:57,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:59:57,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:59:57,019 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:59:57,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/s1iff.c Unable to find full path for "g++" [2024-11-08 23:59:59,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:59:59,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:59:59,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/sv-benchmarks/c/array-fpi/s1iff.c [2024-11-08 23:59:59,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/data/c27235cc1/18f84e11d0d54fc79a293f405b39ec82/FLAG520132db7 [2024-11-08 23:59:59,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/data/c27235cc1/18f84e11d0d54fc79a293f405b39ec82 [2024-11-08 23:59:59,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:59:59,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:59:59,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:59,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:59:59,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:59:59,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:59" (1/1) ... [2024-11-08 23:59:59,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b708c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59, skipping insertion in model container [2024-11-08 23:59:59,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:59" (1/1) ... [2024-11-08 23:59:59,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:59:59,913 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_77838895-cf93-4460-95c9-16104654039b/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2024-11-08 23:59:59,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:59,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:59:59,956 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_77838895-cf93-4460-95c9-16104654039b/sv-benchmarks/c/array-fpi/s1iff.c[588,601] [2024-11-08 23:59:59,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:59,986 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:59:59,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59 WrapperNode [2024-11-08 23:59:59,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:59,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:59,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:59:59,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:59:59,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,029 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-09 00:00:00,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:00,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:00,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:00,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:00,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:00,060 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:00,060 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:00,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:00,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:59" (1/1) ... [2024-11-09 00:00:00,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:00,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:00,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:00,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:00,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:00:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:00:00,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:00:00,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:00:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:00,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:00,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:00:00,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:00:00,233 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:00,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:00,471 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:00,471 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:00,562 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:00,562 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:00,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:00 BoogieIcfgContainer [2024-11-09 00:00:00,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:00,567 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:00,567 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:00,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:00,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:00" (1/1) ... [2024-11-09 00:00:00,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-09 00:00:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-09 00:00:00,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:00:00,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:00,956 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 00:00:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-09 00:00:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-09 00:00:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:00:01,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:01,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:01,124 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 00:00:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-09 00:00:01,170 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-09 00:00:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:00:01,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:01,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:01,356 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 00:00:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-09 00:00:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-09 00:00:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:00:01,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:01,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:01,634 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 00:00:01,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-09 00:00:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 00:00:01,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:00:01,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:01,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:00:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:00:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:00:03,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:03,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-11-09 00:00:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-09 00:00:05,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:00:05,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:05,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-09 00:00:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-09 00:00:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:00:05,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:05,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2024-11-09 00:00:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2024-11-09 00:00:06,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:00:06,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:00:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:06,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:06,651 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-09 00:00:06,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:06 ImpRootNode [2024-11-09 00:00:06,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:06,706 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:06,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:06,707 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:06,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:00" (3/4) ... [2024-11-09 00:00:06,709 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:00:06,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77838895-cf93-4460-95c9-16104654039b/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:00:06,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:06,780 INFO L158 Benchmark]: Toolchain (without parser) took 7080.06ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 92.9MB in the beginning and 88.7MB in the end (delta: 4.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,780 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:06,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.04ms. Allocated memory is still 132.1MB. Free memory was 92.9MB in the beginning and 80.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.13ms. Allocated memory is still 132.1MB. Free memory was 80.0MB in the beginning and 78.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,781 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 132.1MB. Free memory was 78.3MB in the beginning and 77.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,786 INFO L158 Benchmark]: RCFGBuilder took 506.41ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 77.0MB in the beginning and 144.7MB in the end (delta: -67.7MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,786 INFO L158 Benchmark]: CodeCheck took 6138.96ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 90.8MB in the end (delta: 53.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,787 INFO L158 Benchmark]: Witness Printer took 72.80ms. Allocated memory is still 174.1MB. Free memory was 90.8MB in the beginning and 88.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:00:06,789 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 312 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 704 IncrementalHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 92 mSDtfsCounter, 704 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 831 GetRequests, 725 SyntacticMatches, 16 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3831 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 338 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 6/24 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 sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=2, a={-1:0}, i=0, sum={4:0}] [L32] COND FALSE !(i