./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/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_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/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_cfb3791d-aecf-40eb-b5d3-f66e3400e003/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 3c2c79fc7da9b912a6d0a49c4075c07cb5e82cc2dc05ee24d0b572e0ac73f733 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:22:42,321 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:22:42,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:22:42,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:22:42,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:22:42,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:22:42,464 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:22:42,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:22:42,466 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:22:42,466 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:22:42,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:22:42,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:22:42,468 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:22:42,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:22:42,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:22:42,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:22:42,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:22:42,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:22:42,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:22:42,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:22:42,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:22:42,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:22:42,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:22:42,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:22:42,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:22:42,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:22:42,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:22:42,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:42,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:22:42,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:22:42,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:22:42,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:22:42,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:22:42,486 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_cfb3791d-aecf-40eb-b5d3-f66e3400e003/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2c79fc7da9b912a6d0a49c4075c07cb5e82cc2dc05ee24d0b572e0ac73f733 [2024-11-09 00:22:42,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:22:42,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:22:42,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:22:42,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:22:42,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:22:42,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/s2iff.c Unable to find full path for "g++" [2024-11-09 00:22:44,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:22:45,156 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:22:45,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/sv-benchmarks/c/array-fpi/s2iff.c [2024-11-09 00:22:45,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/data/701b1d2e6/d0a2ae5b367041549802399cf5044e88/FLAGb1ef712ca [2024-11-09 00:22:45,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/data/701b1d2e6/d0a2ae5b367041549802399cf5044e88 [2024-11-09 00:22:45,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:22:45,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:22:45,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:45,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:22:45,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:22:45,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15649738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45, skipping insertion in model container [2024-11-09 00:22:45,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:22:45,457 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_cfb3791d-aecf-40eb-b5d3-f66e3400e003/sv-benchmarks/c/array-fpi/s2iff.c[588,601] [2024-11-09 00:22:45,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:45,488 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:22:45,501 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_cfb3791d-aecf-40eb-b5d3-f66e3400e003/sv-benchmarks/c/array-fpi/s2iff.c[588,601] [2024-11-09 00:22:45,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:22:45,526 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:22:45,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45 WrapperNode [2024-11-09 00:22:45,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:22:45,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:45,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:22:45,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:22:45,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,566 INFO L138 Inliner]: procedures = 17, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-09 00:22:45,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:22:45,570 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:22:45,570 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:22:45,570 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:22:45,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:22:45,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:22:45,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:22:45,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:22:45,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:22:45,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:22:45,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:22:45,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:22:45,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:22:45,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:22:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:22:45,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:22:45,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:22:45,737 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:22:45,907 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:22:45,907 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:22:45,959 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:22:45,959 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:22:45,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:45 BoogieIcfgContainer [2024-11-09 00:22:45,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:22:45,960 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:22:45,960 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:22:45,971 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:22:45,971 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:45" (1/1) ... [2024-11-09 00:22:45,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:22:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-09 00:22:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-09 00:22:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:22:46,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:46,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,330 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 00:22:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-09 00:22:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-09 00:22:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:22:46,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,500 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 00:22:46,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:46,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-09 00:22:46,551 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-09 00:22:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:22:46,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:46,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:46,743 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 00:22:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:46,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2024-11-09 00:22:46,958 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2024-11-09 00:22:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:22:46,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:46,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:47,065 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 00:22:47,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:47,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-11-09 00:22:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-11-09 00:22:47,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:22:47,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:47,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:48,182 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 00:22:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-09 00:22:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 00:22:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:22:49,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:49,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,443 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 00:22:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2024-11-09 00:22:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2024-11-09 00:22:50,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:22:50,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:51,069 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 00:22:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-09 00:22:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-09 00:22:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:22:51,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:51,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:51,866 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 00:22:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-09 00:22:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-09 00:22:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:22:52,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:52,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:22:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:22:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:52,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:22:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:22:52,402 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-09 00:22:52,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:22:52 ImpRootNode [2024-11-09 00:22:52,451 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:22:52,452 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:22:52,452 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:22:52,452 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:22:52,453 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:22:45" (3/4) ... [2024-11-09 00:22:52,455 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:22:52,529 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfb3791d-aecf-40eb-b5d3-f66e3400e003/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:22:52,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:22:52,530 INFO L158 Benchmark]: Toolchain (without parser) took 7335.76ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 114.5MB in the beginning and 59.8MB in the end (delta: 54.7MB). Peak memory consumption was 105.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,533 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:22:52,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.38ms. Allocated memory is still 146.8MB. Free memory was 114.0MB in the beginning and 101.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.96ms. Allocated memory is still 146.8MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,535 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 146.8MB. Free memory was 99.4MB in the beginning and 98.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,535 INFO L158 Benchmark]: RCFGBuilder took 362.47ms. Allocated memory is still 146.8MB. Free memory was 98.4MB in the beginning and 83.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,535 INFO L158 Benchmark]: CodeCheck took 6491.34ms. Allocated memory was 146.8MB in the beginning and 195.0MB in the end (delta: 48.2MB). Free memory was 83.2MB in the beginning and 63.0MB in the end (delta: 20.3MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,536 INFO L158 Benchmark]: Witness Printer took 77.25ms. Allocated memory is still 195.0MB. Free memory was 63.0MB in the beginning and 59.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:22:52,542 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: 6.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 179 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 702 IncrementalHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 179 mSolverCounterUnsat, 92 mSDtfsCounter, 702 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 830 GetRequests, 721 SyntacticMatches, 15 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4391 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 355 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