./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/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 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:10:25,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:10:25,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:10:25,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:10:25,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:10:25,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:10:25,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:10:25,145 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:10:25,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:10:25,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:10:25,146 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:10:25,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:10:25,148 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:10:25,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:25,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:10:25,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:10:25,149 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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/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 -> 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 [2024-11-13 23:10:25,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:10:25,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:10:25,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:10:25,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:10:25,500 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:10:25,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c Unable to find full path for "g++" [2024-11-13 23:10:27,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:10:27,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:10:27,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2024-11-13 23:10:27,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/data/04af10bc4/1575d1010b9a4d5db4d3ec440d6fd3d2/FLAGa03942bb4 [2024-11-13 23:10:27,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/data/04af10bc4/1575d1010b9a4d5db4d3ec440d6fd3d2 [2024-11-13 23:10:27,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:10:27,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:10:27,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:27,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:10:27,774 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:10:27,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:27" (1/1) ... [2024-11-13 23:10:27,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ebe33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:27, skipping insertion in model container [2024-11-13 23:10:27,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:10:27" (1/1) ... [2024-11-13 23:10:27,796 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:10:27,974 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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2024-11-13 23:10:28,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:28,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:10:28,040 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_b6489878-d2b2-4f5b-a65c-964f4ef5214f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c[535,548] [2024-11-13 23:10:28,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:10:28,079 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:10:28,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28 WrapperNode [2024-11-13 23:10:28,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:10:28,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:28,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:10:28,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:10:28,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,117 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2024-11-13 23:10:28,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:10:28,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:10:28,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:10:28,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:10:28,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,135 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,155 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:10:28,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:10:28,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:10:28,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:10:28,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:10:28,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:10:28,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:10:28,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:10:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:10:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:10:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:10:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:10:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:10:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:10:28,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:10:28,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:10:28,297 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:10:28,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:28,543 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:28,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:28,585 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:28,588 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:10:28,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:28 BoogieIcfgContainer [2024-11-13 23:10:28,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:28,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:28,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:28,600 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:28,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:28" (1/1) ... [2024-11-13 23:10:28,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 23:10:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 23:10:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:10:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:28,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:28,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:28,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 23:10:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 23:10:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:10:28,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:28,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 41 transitions. [2024-11-13 23:10:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-13 23:10:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:10:29,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:29,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:10:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:29,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:10:29,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:29,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:31,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:10:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 54 transitions. [2024-11-13 23:10:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 23:10:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:10:32,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:32,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 54 transitions. [2024-11-13 23:10:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-13 23:10:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:10:39,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:39,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:10:39,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 57 transitions. [2024-11-13 23:10:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-13 23:10:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:10:39,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:39,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:10:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:11:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:04,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 65 transitions. [2024-11-13 23:11:04,176 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-13 23:11:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:11:04,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:04,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:11:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 82 transitions. [2024-11-13 23:11:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2024-11-13 23:11:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:11:40,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:11:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 83 transitions. [2024-11-13 23:11:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2024-11-13 23:11:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:11:50,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:11:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:11:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:50,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:11:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:11:50,551 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2024-11-13 23:11:50,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:11:50 ImpRootNode [2024-11-13 23:11:50,578 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:11:50,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:11:50,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:11:50,579 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:11:50,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:28" (3/4) ... [2024-11-13 23:11:50,581 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 23:11:50,623 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:11:50,624 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:11:50,625 INFO L158 Benchmark]: Toolchain (without parser) took 82862.85ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 53.6MB in the end (delta: 65.7MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2024-11-13 23:11:50,625 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:50,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.47ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:11:50,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.18ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:50,629 INFO L158 Benchmark]: Boogie Preprocessor took 36.50ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.6MB in the end (delta: 801.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:50,629 INFO L158 Benchmark]: RCFGBuilder took 431.26ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:11:50,630 INFO L158 Benchmark]: CodeCheck took 81989.11ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 56.2MB in the end (delta: 36.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-13 23:11:50,630 INFO L158 Benchmark]: Witness Printer took 45.18ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:11:50,633 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 81.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 507 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 238 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727 IncrementalHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 238 mSolverCounterUnsat, 296 mSDtfsCounter, 727 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1361 GetRequests, 1263 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2786 ImplicationChecksByTransitivity, 77.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 159 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 SizeOfPredicates, 1 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 38/41 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: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int counter = 0; [L21] int A, R; [L22] long long u, v, r; [L23] A = __VERIFIER_nondet_int() [L24] R = __VERIFIER_nondet_int() [L25] CALL assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L25] RET assume_abort_if_not((((long long) R - 1) * ((long long) R - 1)) < A) VAL [A=5, R=-1, counter=0] [L27] CALL assume_abort_if_not(A % 2 == 1) VAL [\old(cond)=1, counter=0] [L9] COND FALSE !(!cond) [L27] RET assume_abort_if_not(A % 2 == 1) VAL [A=5, R=-1, counter=0] [L29] u = ((long long) 2 * R) + 1 [L30] v = 1 [L31] r = ((long long) R * R) - A VAL [A=5, counter=0, r=-4, u=-1, v=1] [L34] EXPR counter++ VAL [A=5, counter=1, r=-4, u=-1, v=1] [L34] COND TRUE counter++<2 [L35] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=1] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L35] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=1, r=-4, u=-1, v=1] [L36] COND FALSE !(!(r != 0)) VAL [A=5, counter=1, r=-4, u=-1, v=1] [L39] EXPR counter++ VAL [A=5, counter=2, r=-4, u=-1, v=1] [L39] COND TRUE counter++<2 [L40] CALL __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=1, counter=2] [L12] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L40] RET __VERIFIER_assert(4*(A+r) == u*u - v*v - 2*u + 2*v) VAL [A=5, counter=2, r=-4, u=-1, v=1] [L41] COND TRUE !(r > 0) VAL [A=5, counter=2, r=-4, u=-1, v=1] [L47] EXPR counter++ VAL [A=5, counter=3, r=-4, u=-1, v=1] [L47] COND FALSE !(counter++<2) [L34] EXPR counter++ VAL [A=5, counter=4, r=-4, u=-1, v=1] [L34] COND FALSE !(counter++<2) [L56] CALL __VERIFIER_assert(((long long) 4*A) == u*u - v*v - 2*u + 2*v) VAL [\old(cond)=0, counter=4] [L12] COND TRUE !(cond) VAL [\old(cond)=0, counter=4] [L14] reach_error() VAL [\old(cond)=0, counter=4] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 142.6MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.47ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 107.8MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.18ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.50ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.6MB in the end (delta: 801.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 431.26ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 93.2MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 81989.11ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 56.2MB in the end (delta: 36.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 45.18ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 53.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 23:11:50,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6489878-d2b2-4f5b-a65c-964f4ef5214f/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