./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.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_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:43,089 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:43,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:43,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:43,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:43,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:43,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:43,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:43,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:43,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:43,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:43,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:43,193 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:43,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:43,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:43,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:43,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:43,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:43,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:43,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:43,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:43,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:43,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:43,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:43,201 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:43,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:43,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:43,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:43,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:43,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:43,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:43,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:43,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:43,206 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2023-11-24 23:09:43,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:43,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:43,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:43,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:43,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:43,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2023-11-24 23:09:46,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:46,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:46,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2023-11-24 23:09:46,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/5534b8407/50dbb84e683541b795916323c959c7d1/FLAG1f8f85a11 [2023-11-24 23:09:46,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/5534b8407/50dbb84e683541b795916323c959c7d1 [2023-11-24 23:09:46,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:46,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:46,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:46,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:46,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:46,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:46" (1/1) ... [2023-11-24 23:09:46,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a2d04b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:46, skipping insertion in model container [2023-11-24 23:09:46,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:46" (1/1) ... [2023-11-24 23:09:47,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:47,169 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2023-11-24 23:09:47,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:47,225 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:47,239 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2023-11-24 23:09:47,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:47,298 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:47,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47 WrapperNode [2023-11-24 23:09:47,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:47,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:47,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:47,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:47,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,349 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-24 23:09:47,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:47,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:47,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:47,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:47,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,401 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:47,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:47,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:47,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:47,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:47" (1/1) ... [2023-11-24 23:09:47,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:47,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:47,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:47,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:47,566 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:47,569 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:47,880 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:48,097 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:48,097 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:48,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:48 BoogieIcfgContainer [2023-11-24 23:09:48,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:48,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:48,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:48,111 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:48,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:48" (1/1) ... [2023-11-24 23:09:48,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 23:09:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 23:09:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:48,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:48,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:09:48,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-24 23:09:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 66 transitions. [2023-11-24 23:09:51,061 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2023-11-24 23:09:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 23:09:51,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:09:51,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:09:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:09:51,341 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:09:51,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:09:51 ImpRootNode [2023-11-24 23:09:51,455 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:09:51,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:09:51,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:09:51,457 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:09:51,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:48" (3/4) ... [2023-11-24 23:09:51,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:09:51,462 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:09:51,464 INFO L158 Benchmark]: Toolchain (without parser) took 4497.43ms. Allocated memory was 138.4MB in the beginning and 220.2MB in the end (delta: 81.8MB). Free memory was 91.8MB in the beginning and 176.8MB in the end (delta: -85.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:51,465 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:51,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 79.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:09:51,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.02ms. Allocated memory is still 138.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:51,468 INFO L158 Benchmark]: Boogie Preprocessor took 52.50ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:51,469 INFO L158 Benchmark]: RCFGBuilder took 695.44ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 75.9MB in the beginning and 147.7MB in the end (delta: -71.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-24 23:09:51,474 INFO L158 Benchmark]: CodeCheck took 3356.14ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 147.7MB in the beginning and 176.8MB in the end (delta: -29.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-24 23:09:51,475 INFO L158 Benchmark]: Witness Printer took 5.89ms. Allocated memory is still 220.2MB. Free memory is still 176.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:51,482 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 13 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 337 SizeOfPredicates, 15 NumberOfNonLiveVariables, 146 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 44/56 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 - 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 someBinaryFLOATComparisonOperation at line 83, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=1, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND FALSE !(var_1_18 == stepLocal_3) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND FALSE !(stepLocal_1 && var_1_16) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=1, var_1_9=50] [L93] RET __VERIFIER_assert(property()) [L94] isInitial = 0 VAL [isInitial=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=1, var_1_9=50] [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=126, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=1, var_1_1=-272, var_1_7=1, var_1_8=126, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND TRUE var_1_18 == stepLocal_3 [L51] var_1_13 = (var_1_14 - var_1_15) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND FALSE !(stepLocal_1 && var_1_16) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=126, var_1_1=126, var_1_7=126, var_1_8=126, var_1_9=50] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=0, last_1_var_1_7=1, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=126, var_1_1=126, var_1_7=126, var_1_8=126, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.60ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 79.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.02ms. Allocated memory is still 138.4MB. Free memory was 79.6MB in the beginning and 77.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.50ms. Allocated memory is still 138.4MB. Free memory was 77.2MB in the beginning and 75.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 695.44ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 75.9MB in the beginning and 147.7MB in the end (delta: -71.8MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * CodeCheck took 3356.14ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 147.7MB in the beginning and 176.8MB in the end (delta: -29.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 5.89ms. Allocated memory is still 220.2MB. Free memory is still 176.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:09:51,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:54,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:54,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:09:54,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:54,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:54,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:54,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:54,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:54,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:54,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:54,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:54,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:54,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:54,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:54,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:54,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:54,271 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:09:54,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:09:54,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:09:54,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:54,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:54,276 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:54,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:54,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:54,277 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:54,277 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:54,278 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:54,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:54,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:54,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:54,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:54,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:54,280 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:09:54,281 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:54,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:54,281 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:09:54,282 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:54,282 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2023-11-24 23:09:54,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:54,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:54,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:54,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:54,720 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:54,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2023-11-24 23:09:57,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:58,116 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:58,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2023-11-24 23:09:58,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/d6db52d65/35197d4fb5d24787a30811c10f015e70/FLAGa4ead8f38 [2023-11-24 23:09:58,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/data/d6db52d65/35197d4fb5d24787a30811c10f015e70 [2023-11-24 23:09:58,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:58,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:58,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:58,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:58,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:58,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b805498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58, skipping insertion in model container [2023-11-24 23:09:58,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:58,403 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2023-11-24 23:09:58,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:58,505 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:58,523 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_8f564e9e-f423-4e0a-b3f8-a16c81020845/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2023-11-24 23:09:58,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:58,578 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58 WrapperNode [2023-11-24 23:09:58,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:58,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:58,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:58,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:58,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,653 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-11-24 23:09:58,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:58,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:58,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:58,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:58,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:58,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:58,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:58,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:58,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:58,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:58,768 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:58,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:09:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:58,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:58,907 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:58,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:59,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:59,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:59,517 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:59,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:59 BoogieIcfgContainer [2023-11-24 23:09:59,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:59,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:59,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:59,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:59,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:59" (1/1) ... [2023-11-24 23:09:59,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:59,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2023-11-24 23:09:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-11-24 23:09:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:59,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:59,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:59,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:09:59,616 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:09:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f564e9e-f423-4e0a-b3f8-a16c81020845/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:00,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:10:00,172 INFO L285 TraceCheckSpWp]: Computing forward predicates...