./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/modnf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/modnf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi --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 dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:57,206 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:57,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:57:57,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:57,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:57,363 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:57,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:57,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:57,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:57,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:57,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:57,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:57,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:57:57,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:57,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:57:57,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:57,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:57,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:57,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:57,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:57:57,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:57,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:57,383 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:57,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:57,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:57,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:57,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:57,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:57,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:57,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:57,389 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:57,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:57,391 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:57,391 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_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc865a1613c49e60507aa46f154dd3602c4e38ec3a973d420b346e0cea97ad0f [2023-11-24 22:57:57,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:57,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:57,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:57,748 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:57,749 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:57,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-fpi/modnf.c [2023-11-24 22:58:00,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:58:01,080 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:58:01,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/sv-benchmarks/c/array-fpi/modnf.c [2023-11-24 22:58:01,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/data/14d7e1d1b/f011724b28a243a1bedf4de929bc5b62/FLAG4ec3ce67a [2023-11-24 22:58:01,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/data/14d7e1d1b/f011724b28a243a1bedf4de929bc5b62 [2023-11-24 22:58:01,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:58:01,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:58:01,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:01,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:58:01,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:58:01,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc10419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01, skipping insertion in model container [2023-11-24 22:58:01,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:58:01,309 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_b68e841c-4a17-442e-b448-5456f5eb5777/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2023-11-24 22:58:01,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:01,348 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:58:01,365 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_b68e841c-4a17-442e-b448-5456f5eb5777/sv-benchmarks/c/array-fpi/modnf.c[588,601] [2023-11-24 22:58:01,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:58:01,404 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:58:01,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01 WrapperNode [2023-11-24 22:58:01,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:58:01,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:01,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:58:01,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:58:01,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,448 INFO L138 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-11-24 22:58:01,449 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:58:01,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:58:01,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:58:01,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:58:01,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:58:01,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:58:01,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:58:01,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:58:01,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:58:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:58:01,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:58:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:58:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:58:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:58:01,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:58:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:58:01,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:58:01,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:58:01,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:58:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:58:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:58:01,662 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:58:01,664 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:58:01,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:58:01,933 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:58:01,933 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 22:58:01,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:01 BoogieIcfgContainer [2023-11-24 22:58:01,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:58:01,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:58:01,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:58:01,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:58:01,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:01" (1/1) ... [2023-11-24 22:58:01,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:58:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 22:58:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 22:58:02,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:58:02,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:02,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:58:02,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:02,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 22:58:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 22:58:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:58:02,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:02,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:58:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:58:02,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:58:02,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 22:58:02,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 22:58:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:58:02,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:58:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:58:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:02,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:58:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:58:02,748 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 22:58:02,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:58:02 ImpRootNode [2023-11-24 22:58:02,782 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:58:02,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:58:02,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:58:02,784 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:58:02,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:58:01" (3/4) ... [2023-11-24 22:58:02,785 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-24 22:58:02,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68e841c-4a17-442e-b448-5456f5eb5777/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:58:02,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:58:02,882 INFO L158 Benchmark]: Toolchain (without parser) took 1772.25ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 132.0MB in the end (delta: -7.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,883 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 163.6MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:58:02,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.53ms. Allocated memory is still 163.6MB. Free memory was 124.8MB in the beginning and 113.4MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.10ms. Allocated memory is still 163.6MB. Free memory was 113.4MB in the beginning and 111.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,887 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 163.6MB. Free memory was 111.8MB in the beginning and 110.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,888 INFO L158 Benchmark]: RCFGBuilder took 457.74ms. Allocated memory is still 163.6MB. Free memory was 110.7MB in the beginning and 96.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,888 INFO L158 Benchmark]: CodeCheck took 845.69ms. Allocated memory is still 163.6MB. Free memory was 96.6MB in the beginning and 62.5MB in the end (delta: 34.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,888 INFO L158 Benchmark]: Witness Printer took 98.68ms. Allocated memory is still 163.6MB. Free memory was 62.5MB in the beginning and 132.0MB in the end (delta: -69.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-24 22:58:02,891 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 10 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 29 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={4:0}] [L32] COND TRUE i