./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:27,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:27,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:46:27,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:46:27,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:46:27,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:27,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:27,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:27,926 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:27,926 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:27,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:27,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:27,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:46:27,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:27,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:27,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:27,928 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:27,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:27,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:27,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:27,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:27,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:27,931 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:46:27,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:46:27,932 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-11-13 16:46:28,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:28,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:28,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:28,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:28,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:28,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c Unable to find full path for "g++" [2024-11-13 16:46:30,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:46:30,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:46:30,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-11-13 16:46:31,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/113f0ec42/b41d7377bdbd491c856cf60fcb54013c/FLAG8bbfe48af [2024-11-13 16:46:31,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/113f0ec42/b41d7377bdbd491c856cf60fcb54013c [2024-11-13 16:46:31,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:46:31,049 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:46:31,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:31,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:46:31,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:46:31,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b3bf5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31, skipping insertion in model container [2024-11-13 16:46:31,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:46:31,306 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-13 16:46:31,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:31,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:46:31,416 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-13 16:46:31,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:46:31,487 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:46:31,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31 WrapperNode [2024-11-13 16:46:31,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:46:31,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:31,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:46:31,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:46:31,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,568 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2024-11-13 16:46:31,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:46:31,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:46:31,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:46:31,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:46:31,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,592 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:46:31,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:46:31,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:46:31,621 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:46:31,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:46:31" (1/1) ... [2024-11-13 16:46:31,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:31,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:46:31,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:46:31,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:46:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:46:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:46:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:46:31,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:46:31,817 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:46:31,819 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:46:32,434 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-13 16:46:32,434 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:46:32,768 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:46:32,769 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:46:32,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:32 BoogieIcfgContainer [2024-11-13 16:46:32,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:46:32,771 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:46:32,771 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:46:32,784 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:46:32,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:32" (1/1) ... [2024-11-13 16:46:32,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:46:32,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:46:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:46:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:46:32,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:34,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 16:46:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 16:46:34,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:46:34,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:34,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:38,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-13 16:46:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-13 16:46:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:46:38,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:45,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 19 states and 43 transitions. [2024-11-13 16:46:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 43 transitions. [2024-11-13 16:46:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:46:45,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:45,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 25 states and 60 transitions. [2024-11-13 16:46:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 60 transitions. [2024-11-13 16:46:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:46:51,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:51,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:51,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:54,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:46:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:56,078 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 16:46:56,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:46:56 ImpRootNode [2024-11-13 16:46:56,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:46:56,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:46:56,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:46:56,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:46:56,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:46:32" (3/4) ... [2024-11-13 16:46:56,130 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:46:56,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:46:56,132 INFO L158 Benchmark]: Toolchain (without parser) took 25082.70ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 118.2MB in the beginning and 353.0MB in the end (delta: -234.9MB). Peak memory consumption was 146.1MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,132 INFO L158 Benchmark]: CDTParser took 2.01ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:56,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.56ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.63ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 101.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,134 INFO L158 Benchmark]: Boogie Preprocessor took 51.34ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:46:56,134 INFO L158 Benchmark]: RCFGBuilder took 1148.86ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 110.7MB in the end (delta: -11.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,135 INFO L158 Benchmark]: CodeCheck took 23355.20ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 110.7MB in the beginning and 356.6MB in the end (delta: -245.9MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,135 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 520.1MB. Free memory was 353.1MB in the beginning and 353.0MB in the end (delta: 68.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:46:56,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 311 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 4 mSDtfsCounter, 311 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 341 GetRequests, 253 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2922 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/16 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: 22]: 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 bitwiseAnd at line 50, overapproximation of bitwiseAnd at line 81, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] EXPR var_13 & mask_SORT_2 [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] EXPR var_14 & mask_SORT_2 [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] EXPR input_3 & mask_SORT_1 [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] EXPR input_4 & mask_SORT_1 [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] EXPR var_22_arg_0 & var_22_arg_1 [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] EXPR var_22 & mask_SORT_1 [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] EXPR var_20_arg_0 & var_20_arg_1 [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] EXPR var_20 & mask_SORT_1 [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.56ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.6MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.63ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 101.1MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.34ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1148.86ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 110.7MB in the end (delta: -11.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. * CodeCheck took 23355.20ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 110.7MB in the beginning and 356.6MB in the end (delta: -245.9MB). Peak memory consumption was 132.0MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 520.1MB. Free memory was 353.1MB in the beginning and 353.0MB in the end (delta: 68.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:46:56,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm --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 64bit --witnessprinter.graph.data.programhash ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:46:59,086 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:46:59,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:46:59,224 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:46:59,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:46:59,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:46:59,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:46:59,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:46:59,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:46:59,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:46:59,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:46:59,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:46:59,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:46:59,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:46:59,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:46:59,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:46:59,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:46:59,230 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:46:59,230 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:59,230 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:46:59,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:46:59,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:46:59,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:46:59,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:46:59,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:46:59,231 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:46:59,231 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:59,231 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:46:59,231 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae56bcfc435405d456e1dc5e8920e6da28d699f35561354769dbf7e31b8f91d6 [2024-11-13 16:46:59,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:46:59,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:46:59,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:46:59,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:46:59,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:46:59,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c Unable to find full path for "g++" [2024-11-13 16:47:02,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:47:02,315 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:47:02,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c [2024-11-13 16:47:02,342 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/38dce0c05/96d411393e7c4f43b4b9f465ceb7dbff/FLAG2091a9d86 [2024-11-13 16:47:02,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/data/38dce0c05/96d411393e7c4f43b4b9f465ceb7dbff [2024-11-13 16:47:02,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:47:02,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:47:02,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:02,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:47:02,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:47:02,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f69685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02, skipping insertion in model container [2024-11-13 16:47:02,418 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,441 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:47:02,656 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-13 16:47:02,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:02,745 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:47:02,756 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_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.twocount2c.c[1260,1273] [2024-11-13 16:47:02,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:47:02,798 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:47:02,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02 WrapperNode [2024-11-13 16:47:02,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:47:02,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:02,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:47:02,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:47:02,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,841 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-11-13 16:47:02,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:47:02,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:47:02,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:47:02,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:47:02,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:47:02,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:47:02,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:47:02,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:47:02,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:47:02" (1/1) ... [2024-11-13 16:47:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:47:02,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:47:02,920 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:47:02,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:47:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:47:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:47:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:47:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:47:03,047 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:47:03,049 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:47:03,230 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 16:47:03,231 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:47:03,306 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:47:03,307 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:47:03,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:03 BoogieIcfgContainer [2024-11-13 16:47:03,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:47:03,308 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:47:03,308 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:47:03,321 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:47:03,321 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:03" (1/1) ... [2024-11-13 16:47:03,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:47:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:03,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 16:47:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 16:47:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 16:47:03,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:03,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:03,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:03,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:03,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:47:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:03,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:03,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:47:03,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:03,846 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:47:03,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:47:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:03,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 16:47:03,948 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 16:47:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:47:03,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:03,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:03,954 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:03,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:47:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:04,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:04,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:47:04,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:04,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2024-11-13 16:47:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2024-11-13 16:47:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:47:05,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:05,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:05,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:05,415 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:05,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:47:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:05,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:05,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:47:05,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:06,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:06,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:47:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:07,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2024-11-13 16:47:07,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2024-11-13 16:47:07,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:47:07,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:07,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:07,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:07,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:07,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:47:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,674 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:07,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:47:07,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:08,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:08,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:08,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:08,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2024-11-13 16:47:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2024-11-13 16:47:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:47:08,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:08,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:08,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:08,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:47:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:08,483 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:08,521 WARN L253 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:47:08,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:11,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2024-11-13 16:47:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2024-11-13 16:47:14,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:47:14,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:14,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:14,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:14,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:14,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:47:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,943 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:14,983 WARN L253 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 16:47:14,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:16,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:16,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:47:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 25 states and 52 transitions. [2024-11-13 16:47:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 52 transitions. [2024-11-13 16:47:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:17,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:17,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:17,329 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:17,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:47:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:17,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:17,525 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:47:17,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:20,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:20,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:47:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 32 states and 75 transitions. [2024-11-13 16:47:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 75 transitions. [2024-11-13 16:47:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:25,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:25,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:25,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:25,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:25,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:47:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:25,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:25,891 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:47:25,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:28,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 79 transitions. [2024-11-13 16:47:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 79 transitions. [2024-11-13 16:47:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:47:29,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:29,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:29,604 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:29,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:47:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:29,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:29,778 WARN L253 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:47:29,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:32,225 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:32,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2024-11-13 16:47:32,859 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2024-11-13 16:47:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:32,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:32,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:32,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:32,867 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 16:47:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:33,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:33,091 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 16:47:33,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:36,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:40,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 39 states and 91 transitions. [2024-11-13 16:47:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2024-11-13 16:47:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:40,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:40,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:40,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:40,419 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:40,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 16:47:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:40,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:40,654 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 16:47:40,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:43,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 16:47:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 40 states and 94 transitions. [2024-11-13 16:47:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 94 transitions. [2024-11-13 16:47:44,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 16:47:44,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:44,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:44,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:44,199 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:44,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 16:47:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:47:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:47:44,377 WARN L253 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 16:47:44,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:47:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:47:47,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 16:47:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:47:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2024-11-13 16:47:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2024-11-13 16:47:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:47:50,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:47:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:47:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:47:50,949 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:47:50,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 16:47:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:47:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:47:51,481 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:47:51,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 16:47:51,482 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-11-13 16:47:51,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:47:51 ImpRootNode [2024-11-13 16:47:51,532 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:47:51,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:47:51,533 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:47:51,533 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:47:51,533 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:47:03" (3/4) ... [2024-11-13 16:47:51,534 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 16:47:51,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:47:51,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:47:51,612 INFO L158 Benchmark]: Toolchain (without parser) took 49212.72ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 92.8MB in the beginning and 387.6MB in the end (delta: -294.8MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,613 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.82ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,615 INFO L158 Benchmark]: Boogie Preprocessor took 31.00ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,615 INFO L158 Benchmark]: RCFGBuilder took 433.38ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 60.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,615 INFO L158 Benchmark]: CodeCheck took 48223.75ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 60.3MB in the beginning and 391.3MB in the end (delta: -331.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-13 16:47:51,615 INFO L158 Benchmark]: Witness Printer took 78.54ms. Allocated memory is still 486.5MB. Free memory was 391.3MB in the beginning and 387.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:47:51,619 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.1s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 454 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 413 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2039 IncrementalHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 413 mSolverCounterUnsat, 12 mSDtfsCounter, 2039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2065 GetRequests, 1764 SyntacticMatches, 121 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21335 ImplicationChecksByTransitivity, 25.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.5s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 150 ConstructedInterpolants, 66 QuantifiedInterpolants, 6919 SizeOfPredicates, 74 NumberOfNonLiveVariables, 554 ConjunctsInSsa, 291 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 0/244 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L30] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 2); [L31] const SORT_2 msb_SORT_2 = (SORT_2)1 << (2 - 1); [L33] const SORT_2 var_5 = 0; [L34] const SORT_2 var_10 = 1; [L35] const SORT_2 var_17 = mask_SORT_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L40] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L41] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L43] SORT_2 init_8_arg_1 = var_5; [L44] state_6 = init_8_arg_1 [L45] SORT_2 init_9_arg_1 = var_5; [L46] state_7 = init_9_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=3, state_6=0, state_7=0, var_10=1, var_17=3] [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_21_arg_0)) [L74] SORT_2 var_11_arg_0 = state_6; [L75] SORT_2 var_11_arg_1 = var_10; [L76] SORT_2 var_11 = var_11_arg_0 + var_11_arg_1; [L77] SORT_1 var_13_arg_0 = input_3; [L78] SORT_2 var_13_arg_1 = var_11; [L79] SORT_2 var_13_arg_2 = state_6; [L80] SORT_2 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L81] var_13 = var_13 & mask_SORT_2 [L82] SORT_2 next_15_arg_1 = var_13; [L83] SORT_2 var_12_arg_0 = state_7; [L84] SORT_2 var_12_arg_1 = var_10; [L85] SORT_2 var_12 = var_12_arg_0 + var_12_arg_1; [L86] SORT_1 var_14_arg_0 = input_4; [L87] SORT_2 var_14_arg_1 = var_12; [L88] SORT_2 var_14_arg_2 = state_7; [L89] SORT_2 var_14 = var_14_arg_0 ? var_14_arg_1 : var_14_arg_2; [L90] var_14 = var_14 & mask_SORT_2 [L91] SORT_2 next_16_arg_1 = var_14; [L93] state_6 = next_15_arg_1 [L94] state_7 = next_16_arg_1 [L49] input_3 = __VERIFIER_nondet_uchar() [L50] input_3 = input_3 & mask_SORT_1 [L51] input_4 = __VERIFIER_nondet_uchar() [L52] input_4 = input_4 & mask_SORT_1 [L54] SORT_1 var_22_arg_0 = input_3; [L55] SORT_1 var_22_arg_1 = input_4; [L56] SORT_1 var_22 = ~(var_22_arg_0 & var_22_arg_1); [L57] var_22 = var_22 & mask_SORT_1 [L58] SORT_1 constr_23_arg_0 = var_22; [L59] CALL assume_abort_if_not(constr_23_arg_0) [L23] COND FALSE !(!cond) [L59] RET assume_abort_if_not(constr_23_arg_0) [L61] SORT_2 var_18_arg_0 = state_6; [L62] SORT_2 var_18_arg_1 = var_17; [L63] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L64] SORT_2 var_19_arg_0 = state_7; [L65] SORT_2 var_19_arg_1 = var_17; [L66] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L67] SORT_1 var_20_arg_0 = var_18; [L68] SORT_1 var_20_arg_1 = var_19; [L69] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L70] var_20 = var_20 & mask_SORT_1 [L71] SORT_1 bad_21_arg_0 = var_20; [L72] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.82ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.3MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.59ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.00ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 433.38ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 60.3MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 48223.75ms. Allocated memory was 117.4MB in the beginning and 486.5MB in the end (delta: 369.1MB). Free memory was 60.3MB in the beginning and 391.3MB in the end (delta: -331.0MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Witness Printer took 78.54ms. Allocated memory is still 486.5MB. Free memory was 391.3MB in the beginning and 387.6MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 16:47:51,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0b720f-ecd5-4dba-b3cc-3933a70a7ef0/bin/ukojak-verify-EEHR8qb7sm/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE