./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/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_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/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 32bit --witnessprinter.graph.data.programhash a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:58:01,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:58:01,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:58:01,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:58:01,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:58:01,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:58:01,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:58:01,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:58:01,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:58:01,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:58:01,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:58:01,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:58:01,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:58:01,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:58:01,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:58:01,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:58:01,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:58:01,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:58:01,365 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:58:01,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:58:01,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:01,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:58:01,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:58:01,366 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_3e990392-ab71-48f0-a3a8-c0ca481c2812/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cbadc91a04c54d3edeab185746e7079308438831f961005daba56edf159b5c [2024-11-13 22:58:01,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:58:01,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:58:01,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:58:01,807 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:58:01,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:58:01,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c Unable to find full path for "g++" [2024-11-13 22:58:03,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:58:04,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:58:04,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2024-11-13 22:58:04,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/data/03a8ea406/0761c9aca49d4b5091b8daad2378fc27/FLAGa2b24048e [2024-11-13 22:58:04,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/data/03a8ea406/0761c9aca49d4b5091b8daad2378fc27 [2024-11-13 22:58:04,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:58:04,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:58:04,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:04,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:58:04,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:58:04,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f719a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04, skipping insertion in model container [2024-11-13 22:58:04,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:58:04,469 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_3e990392-ab71-48f0-a3a8-c0ca481c2812/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2024-11-13 22:58:04,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:04,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:58:04,517 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_3e990392-ab71-48f0-a3a8-c0ca481c2812/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c[525,538] [2024-11-13 22:58:04,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:58:04,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:58:04,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04 WrapperNode [2024-11-13 22:58:04,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:58:04,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:04,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:58:04,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:58:04,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,576 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-13 22:58:04,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:58:04,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:58:04,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:58:04,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:58:04,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,589 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:58:04,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:58:04,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:58:04,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:58:04,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:58:04,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:58:04,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:58:04,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:58:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:58:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:58:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:58:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:58:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:58:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:58:04,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:58:04,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:58:04,883 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:58:04,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:58:04,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:58:04,919 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:58:04,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:04 BoogieIcfgContainer [2024-11-13 22:58:04,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:58:04,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:58:04,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:58:04,930 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:58:04,930 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:04" (1/1) ... [2024-11-13 22:58:04,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:58:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:04,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 22:58:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 22:58:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:58:04,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:05,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:58:05,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:58:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2024-11-13 22:58:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-13 22:58:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:58:06,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:06,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:58:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 30 transitions. [2024-11-13 22:58:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-13 22:58:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:58:07,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:58:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:07,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 22:58:07,306 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:58:07,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:58:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 38 transitions. [2024-11-13 22:58:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 22:58:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:58:09,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:09,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:58:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:12,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 54 transitions. [2024-11-13 22:58:12,900 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 22:58:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:58:12,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:58:12,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:58:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:58:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:58:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:58:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 25 states and 31 transitions. [2024-11-13 22:58:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 22:58:14,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:58:14,164 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-13 22:58:14,176 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L29-1(line 29) the Hoare annotation is: (not (and (<= |ULTIMATE.start_main_~a~0#1| 2) (<= |ULTIMATE.start_main_~z~0#1| 2) (not (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2))) (<= 0 |ULTIMATE.start_main_~a~0#1|) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L27(line 27) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L27-1(line 27) the Hoare annotation is: true [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-13 22:58:14,475 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~z~0#1| 2) (<= 0 |ULTIMATE.start_main_~z~0#1|)) [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L36-2(lines 36 45) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 45) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1|) (+ |ULTIMATE.start_main_~x~0#1| (* |ULTIMATE.start_main_~az~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L37-1(lines 36 45) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~a~0#1|) (+ |ULTIMATE.start_main_~x~0#1| (* |ULTIMATE.start_main_~az~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-13 22:58:14,476 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-13 22:58:14,477 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:58:14,477 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:58:14,477 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-13 22:58:14,477 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-13 22:58:14,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:58:14 ImpRootNode [2024-11-13 22:58:14,492 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:58:14,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:58:14,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:58:14,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:58:14,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:58:04" (3/4) ... [2024-11-13 22:58:14,496 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:58:14,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 22:58:14,499 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:58:14,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 22:58:14,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:58:14,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:58:14,502 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:58:14,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:58:14,575 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:58:14,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:58:14,576 INFO L158 Benchmark]: Toolchain (without parser) took 10321.18ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 44.8MB in the end (delta: 72.6MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-11-13 22:58:14,576 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:14,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.86ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:58:14,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.45ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:14,577 INFO L158 Benchmark]: Boogie Preprocessor took 24.41ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.4MB in the end (delta: 461.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:14,578 INFO L158 Benchmark]: RCFGBuilder took 317.18ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.2MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:58:14,578 INFO L158 Benchmark]: CodeCheck took 9571.62ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 48.6MB in the end (delta: 44.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-13 22:58:14,578 INFO L158 Benchmark]: Witness Printer took 82.57ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 44.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:58:14,580 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 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 199 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 195 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 84 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 528 IncrementalHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 111 mSDtfsCounter, 528 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1090 GetRequests, 1001 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1985 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 138 NumberOfCodeBlocks, 138 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 505 SizeOfPredicates, 2 NumberOfNonLiveVariables, 143 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 0 PerfectInterpolantSequences, 69/84 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.86ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.3MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.45ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.1MB in the end (delta: 926.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.41ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 104.4MB in the end (delta: 461.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.18ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 93.2MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9571.62ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 48.6MB in the end (delta: 44.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 82.57ms. Allocated memory is still 142.6MB. Free memory was 48.6MB in the beginning and 44.8MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:58:14,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e990392-ab71-48f0-a3a8-c0ca481c2812/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 Result: TRUE