./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9 --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 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:09:19,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:09:19,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:09:19,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:09:19,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:09:19,674 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:09:19,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:09:19,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:09:19,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:09:19,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:09:19,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:09:19,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:09:19,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:09:19,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:09:19,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:09:19,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:09:19,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:09:19,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:09:19,683 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:09:19,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:09:19,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:09:19,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:09:19,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:09:19,686 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:09:19,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:09:19,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:09:19,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:09:19,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:09:19,689 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:09:19,689 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:09:19,690 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:09:19,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:09:19,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:09:19,691 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_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c0ba744090c8142a33dba842cf98027b64f47a633efca28c0047c8830fe4fa5 [2023-12-03 04:09:19,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:09:19,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:09:19,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:09:19,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:09:19,984 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:09:19,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2023-12-03 04:09:22,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:09:23,013 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:09:23,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i [2023-12-03 04:09:23,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/data/0b195af3c/59422ddd6bbd4e059d2d499360561ebf/FLAG159df560e [2023-12-03 04:09:23,039 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/data/0b195af3c/59422ddd6bbd4e059d2d499360561ebf [2023-12-03 04:09:23,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:09:23,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:09:23,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:09:23,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:09:23,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:09:23,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,053 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755dc1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23, skipping insertion in model container [2023-12-03 04:09:23,053 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:09:23,292 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_9b01e3ac-d989-47b4-a158-bed56ab4705c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i[916,929] [2023-12-03 04:09:23,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:09:23,387 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:09:23,400 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_9b01e3ac-d989-47b4-a158-bed56ab4705c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-32.i[916,929] [2023-12-03 04:09:23,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:09:23,452 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:09:23,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23 WrapperNode [2023-12-03 04:09:23,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:09:23,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:09:23,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:09:23,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:09:23,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,538 INFO L138 Inliner]: procedures = 26, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 386 [2023-12-03 04:09:23,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:09:23,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:09:23,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:09:23,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:09:23,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,608 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:09:23,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:09:23,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:09:23,615 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:09:23,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:09:23" (1/1) ... [2023-12-03 04:09:23,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:09:23,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:09:23,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:09:23,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:09:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:09:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:09:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:09:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:09:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:09:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:09:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:09:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:09:23,806 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:09:23,809 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:09:24,268 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:09:24,935 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:09:24,935 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:09:24,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:24 BoogieIcfgContainer [2023-12-03 04:09:24,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:09:24,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:09:24,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:09:24,947 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:09:24,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:24" (1/1) ... [2023-12-03 04:09:24,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:09:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:25,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-12-03 04:09:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-12-03 04:09:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 04:09:25,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:25,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:09:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 17 proven. 39 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2023-12-03 04:09:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 126 transitions. [2023-12-03 04:09:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2023-12-03 04:09:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-03 04:09:56,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:31,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1298 backedges. 54 proven. 112 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2023-12-03 04:10:37,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:37,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 121 states and 192 transitions. [2023-12-03 04:10:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 192 transitions. [2023-12-03 04:10:37,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-12-03 04:10:37,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:37,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:10:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:54,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2977 backedges. 148 proven. 212 refuted. 0 times theorem prover too weak. 2617 trivial. 0 not checked. [2023-12-03 04:13:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 79 states and 116 transitions. [2023-12-03 04:13:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2023-12-03 04:13:19,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 04:13:19,572 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 04:13:19,580 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 04:13:20,619 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:13:20,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:13:20,623 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 04:13:20,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:13:20 ImpRootNode [2023-12-03 04:13:20,623 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:13:20,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:13:20,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:13:20,624 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:13:20,625 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:09:24" (3/4) ... [2023-12-03 04:13:20,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 04:13:20,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 04:13:20,641 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2023-12-03 04:13:20,643 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 04:13:20,644 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 04:13:20,645 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 04:13:20,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 04:13:20,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 04:13:20,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:13:20,807 INFO L158 Benchmark]: Toolchain (without parser) took 237763.56ms. Allocated memory was 169.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 131.2MB in the beginning and 600.1MB in the end (delta: -468.9MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-12-03 04:13:20,807 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:13:20,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.46ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 116.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.29ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 111.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,809 INFO L158 Benchmark]: Boogie Preprocessor took 71.82ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 108.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,809 INFO L158 Benchmark]: RCFGBuilder took 1321.85ms. Allocated memory is still 169.9MB. Free memory was 108.7MB in the beginning and 131.0MB in the end (delta: -22.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,810 INFO L158 Benchmark]: CodeCheck took 235685.88ms. Allocated memory was 169.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 131.0MB in the beginning and 610.4MB in the end (delta: -479.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2023-12-03 04:13:20,810 INFO L158 Benchmark]: Witness Printer took 182.08ms. Allocated memory is still 1.7GB. Free memory was 610.4MB in the beginning and 600.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:13:20,813 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 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 234.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 337 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1673 IncrementalHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 509 mSolverCounterUnsat, 312 mSDtfsCounter, 1673 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3389 GetRequests, 3078 SyntacticMatches, 79 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28044 ImplicationChecksByTransitivity, 30.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 24.2s SatisfiabilityAnalysisTime, 176.7s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 14537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 4218/4581 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 111.1MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.46ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 116.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.29ms. Allocated memory is still 169.9MB. Free memory was 116.1MB in the beginning and 111.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.82ms. Allocated memory is still 169.9MB. Free memory was 111.9MB in the beginning and 108.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1321.85ms. Allocated memory is still 169.9MB. Free memory was 108.7MB in the beginning and 131.0MB in the end (delta: -22.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * CodeCheck took 235685.88ms. Allocated memory was 169.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 131.0MB in the beginning and 610.4MB in the end (delta: -479.4MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 182.08ms. Allocated memory is still 1.7GB. Free memory was 610.4MB in the beginning and 600.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 04:13:20,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b01e3ac-d989-47b4-a158-bed56ab4705c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE