./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3 --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 afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:54:04,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:54:04,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:54:04,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:54:04,249 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:54:04,275 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:54:04,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:54:04,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:54:04,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:54:04,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:54:04,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:54:04,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:54:04,280 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:54:04,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:54:04,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:04,281 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:54:04,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:54:04,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:54:04,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:54:04,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:54:04,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3 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 -> afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44 [2024-11-25 04:54:04,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:54:04,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:54:04,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:54:04,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:54:04,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:54:04,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i [2024-11-25 04:54:07,756 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/c236e3e27/85570b459b0149379d9102ade1869dd7/FLAGcc9086548 [2024-11-25 04:54:08,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:54:08,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i [2024-11-25 04:54:08,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/c236e3e27/85570b459b0149379d9102ade1869dd7/FLAGcc9086548 [2024-11-25 04:54:08,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/c236e3e27/85570b459b0149379d9102ade1869dd7 [2024-11-25 04:54:08,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:54:08,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:54:08,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:08,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:54:08,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:54:08,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622cd80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08, skipping insertion in model container [2024-11-25 04:54:08,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:54:08,308 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928] [2024-11-25 04:54:08,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:08,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:54:08,404 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928] [2024-11-25 04:54:08,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:08,470 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:54:08,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08 WrapperNode [2024-11-25 04:54:08,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:08,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:08,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:54:08,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:54:08,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,547 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-25 04:54:08,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:08,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:54:08,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:54:08,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:54:08,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:54:08,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:54:08,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:54:08,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:54:08,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:08" (1/1) ... [2024-11-25 04:54:08,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:08,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:54:08,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:54:08,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:54:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:54:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:54:08,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:54:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:54:08,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:54:08,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:54:08,774 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:54:08,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:54:09,232 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 04:54:09,232 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:54:09,546 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:54:09,546 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:54:09,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:09 BoogieIcfgContainer [2024-11-25 04:54:09,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:54:09,548 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:54:09,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:54:09,559 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:54:09,559 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:09" (1/1) ... [2024-11-25 04:54:09,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:54:09,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:09,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 04:54:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 04:54:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:54:09,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:09,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:54:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:54:10,102 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:54:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:54:10,229 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:54:10,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:54:10 ImpRootNode [2024-11-25 04:54:10,303 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:54:10,304 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:54:10,304 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:54:10,304 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:54:10,305 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:09" (3/4) ... [2024-11-25 04:54:10,308 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:54:10,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:54:10,310 INFO L158 Benchmark]: Toolchain (without parser) took 2217.65ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 59.9MB in the end (delta: 32.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-25 04:54:10,310 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:10,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.50ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:54:10,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.74ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 76.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:54:10,312 INFO L158 Benchmark]: Boogie Preprocessor took 58.33ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:10,312 INFO L158 Benchmark]: RCFGBuilder took 933.58ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 85.5MB in the end (delta: -10.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-25 04:54:10,313 INFO L158 Benchmark]: CodeCheck took 755.38ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 59.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:54:10,313 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:54:10,316 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 8; [L23] unsigned short int var_1_2 = 59049; [L24] unsigned char var_1_6 = 4; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 64; [L27] unsigned long int var_1_9 = 64; [L28] unsigned long int var_1_10 = 1776833134; [L29] signed long int var_1_11 = -16; [L30] double var_1_12 = 0.25; [L31] double var_1_13 = 5.5; [L32] unsigned char last_1_var_1_8 = 64; [L33] signed long int last_1_var_1_11 = -16; [L85] isInitial = 1 [L86] FCALL initially() [L88] CALL updateLastVariables() [L77] last_1_var_1_8 = var_1_8 [L78] last_1_var_1_11 = var_1_11 [L88] RET updateLastVariables() [L89] CALL updateVariables() [L61] var_1_2 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L63] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=4, var_1_7=1, var_1_8=64, var_1_9=64] [L64] var_1_6 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_7=1, var_1_8=64, var_1_9=64] [L66] CALL assume_abort_if_not(var_1_6 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=1, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_6 <= 254) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=1, var_1_8=64, var_1_9=64] [L67] var_1_7 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_8=64, var_1_9=64] [L69] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=1776833134, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L70] var_1_10 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_10 >= 1073741824) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_10 >= 1073741824) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L72] CALL assume_abort_if_not(var_1_10 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(var_1_10 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_13=11/2, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L73] var_1_13 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=-16, var_1_12=1/4, var_1_1=8, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=64, var_1_9=64] [L89] RET updateVariables() [L90] CALL step() [L37] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11) [L37] COND TRUE ((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64 [L38] var_1_1 = ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6)))))) [L44] var_1_11 = var_1_1 [L45] COND TRUE var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2))) [L46] var_1_8 = var_1_6 [L52] unsigned char stepLocal_0 = var_1_1; [L53] COND FALSE !(var_1_1 > stepLocal_0) [L56] var_1_9 = ((1228227409u + var_1_10) - var_1_11) [L58] var_1_12 = var_1_13 [L90] RET step() [L91] CALL, EXPR property() [L81] EXPR (var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11) [L81-L82] return (((((((var_1_2 - last_1_var_1_8) ^ (last_1_var_1_8 * last_1_var_1_11)) <= -64) ? (var_1_1 == ((unsigned char) ((((1) < (((((16) > (var_1_6)) ? (16) : (var_1_6))))) ? (1) : (((((16) > (var_1_6)) ? (16) : (var_1_6)))))))) : (var_1_7 ? (var_1_1 == ((unsigned char) var_1_6)) : 1)) && ((var_1_1 >= ((((var_1_11 / var_1_2) < 0 ) ? -(var_1_11 / var_1_2) : (var_1_11 / var_1_2)))) ? (var_1_8 == ((unsigned char) var_1_6)) : (var_1_7 ? (var_1_8 == ((unsigned char) var_1_6)) : 1))) && ((var_1_1 > var_1_1) ? (var_1_9 == ((unsigned long int) var_1_2)) : (var_1_9 == ((unsigned long int) ((1228227409u + var_1_10) - var_1_11))))) && (var_1_11 == ((signed long int) var_1_1))) && (var_1_12 == ((double) var_1_13)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=2, var_1_9=-1992998064] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-16, last_1_var_1_8=64, var_1_10=-3221225472, var_1_11=1, var_1_12=2, var_1_13=2, var_1_1=1, var_1_2=32767, var_1_6=2, var_1_7=0, var_1_8=2, var_1_9=-1992998064] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.50ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.9MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.74ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 76.6MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.33ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 75.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 933.58ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 85.5MB in the end (delta: -10.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * CodeCheck took 755.38ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 59.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 117.4MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:54:10,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3 --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 afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:54:13,218 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:54:13,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:54:13,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:54:13,395 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:54:13,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:54:13,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:54:13,396 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:54:13,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:54:13,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:54:13,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:54:13,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:54:13,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:54:13,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:54:13,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:54:13,398 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:13,399 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:54:13,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:54:13,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:13,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:54:13,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:54:13,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:54:13,399 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:54:13,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:13,400 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:54:13,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3 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 -> afb73df0f0886a740bebeb8a70b13183c4ce1b14cf2ea7c18bb5e49308223f44 [2024-11-25 04:54:13,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:54:13,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:54:13,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:54:13,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:54:13,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:54:13,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i [2024-11-25 04:54:16,832 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/6d45d2b45/c1ddaf7130df43b0b0f843e427a0f153/FLAG3617df5a5 [2024-11-25 04:54:17,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:54:17,116 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i [2024-11-25 04:54:17,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/6d45d2b45/c1ddaf7130df43b0b0f843e427a0f153/FLAG3617df5a5 [2024-11-25 04:54:17,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/data/6d45d2b45/c1ddaf7130df43b0b0f843e427a0f153 [2024-11-25 04:54:17,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:54:17,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:54:17,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:17,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:54:17,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:54:17,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17, skipping insertion in model container [2024-11-25 04:54:17,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,458 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:54:17,611 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928] [2024-11-25 04:54:17,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:17,668 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:54:17,679 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_a00a5fbb-df25-479b-a39e-69b2b3d7c576/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-37.i[915,928] [2024-11-25 04:54:17,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:54:17,752 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:54:17,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17 WrapperNode [2024-11-25 04:54:17,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:54:17,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:17,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:54:17,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:54:17,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,795 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-25 04:54:17,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:54:17,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:54:17,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:54:17,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:54:17,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,823 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:54:17,841 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:54:17,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:54:17,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:54:17,843 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:54:17" (1/1) ... [2024-11-25 04:54:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:54:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:54:17,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:54:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:54:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:54:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:54:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:54:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:54:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:54:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:54:17,982 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:54:17,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:54:18,326 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 04:54:18,327 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:54:18,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:54:18,491 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:54:18,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:18 BoogieIcfgContainer [2024-11-25 04:54:18,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:54:18,493 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:54:18,493 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:54:18,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:54:18,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:54:18" (1/1) ... [2024-11-25 04:54:18,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:54:18,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:18,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 04:54:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 04:54:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:54:18,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:18,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:18,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:18,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:18,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:54:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:19,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:19,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:54:19,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:06,885 WARN L286 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 421 DAG size of output: 417 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:01:09,505 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 372 DAG size of output: 330 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 05:01:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-25 05:01:36,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:01:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-25 05:01:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-25 05:01:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 05:01:37,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:37,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:37,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:37,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a00a5fbb-df25-479b-a39e-69b2b3d7c576/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 05:01:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:38,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:38,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 05:01:38,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:05:37,203 WARN L286 SmtUtils]: Spent 11.89s on a formula simplification. DAG size of input: 423 DAG size of output: 419 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)