./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk --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 a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:25,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:26,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:27:26,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:27:26,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:27:26,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:26,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:26,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:26,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:26,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:26,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:26,101 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:26,101 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:27:26,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:27:26,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:27:26,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:26,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:26,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:26,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:26,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:26,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:27:26,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:26,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:26,106 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:26,106 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:26,106 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:26,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:26,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:26,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:26,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:26,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:26,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:27:26,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:27:26,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4e999359b895f3090fa3a0a394d4e8b87ebbe801b1ab5ed9c028edec94c7c83 [2024-11-08 19:27:26,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:26,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:26,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:26,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:26,382 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:26,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c Unable to find full path for "g++" [2024-11-08 19:27:28,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:28,519 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:28,519 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c [2024-11-08 19:27:28,527 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/data/24ba44507/3654225acd1d46829b33346fa8e84547/FLAG311c5561c [2024-11-08 19:27:28,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/data/24ba44507/3654225acd1d46829b33346fa8e84547 [2024-11-08 19:27:28,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:28,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:28,546 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:28,546 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:28,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:28,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e28435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28, skipping insertion in model container [2024-11-08 19:27:28,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:28,739 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_2c64e31d-a0b1-4874-b824-91e0789b72f6/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c[535,548] [2024-11-08 19:27:28,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:28,774 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:28,787 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_2c64e31d-a0b1-4874-b824-91e0789b72f6/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound1.c[535,548] [2024-11-08 19:27:28,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:28,815 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:28,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28 WrapperNode [2024-11-08 19:27:28,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:28,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:28,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:28,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:28,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,855 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2024-11-08 19:27:28,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:28,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:28,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:28,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:28,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,870 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:28,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:28,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:28,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:28,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:28,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:28,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:28,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:27:28,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:27:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:27:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:28,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:27:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:27:29,060 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:29,063 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:29,334 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:29,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:29,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:29,388 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-08 19:27:29,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29 BoogieIcfgContainer [2024-11-08 19:27:29,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:29,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:29,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:29,399 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:29,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29" (1/1) ... [2024-11-08 19:27:29,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-08 19:27:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-08 19:27:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:27:29,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:29,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:29,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:29,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-08 19:27:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 19:27:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:27:29,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:29,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 41 transitions. [2024-11-08 19:27:30,000 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-08 19:27:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:27:30,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:30,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:27:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:30,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:27:30,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:27:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:32,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:27:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 54 transitions. [2024-11-08 19:27:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-08 19:27:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:27:33,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:33,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:38,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:27:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:40,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 54 transitions. [2024-11-08 19:27:40,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-08 19:27:40,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:27:40,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:40,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:40,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:40,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 57 transitions. [2024-11-08 19:27:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-08 19:27:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:27:40,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:27:50,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:50,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 64 transitions. [2024-11-08 19:27:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-08 19:27:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 19:27:50,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:50,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:27:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:50,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:50,489 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2024-11-08 19:27:50,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:50 ImpRootNode [2024-11-08 19:27:50,539 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:50,540 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:50,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:50,540 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:50,541 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29" (3/4) ... [2024-11-08 19:27:50,542 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:27:50,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:27:50,612 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:50,613 INFO L158 Benchmark]: Toolchain (without parser) took 22068.12ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 101.5MB in the end (delta: 65.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,613 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:50,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.91ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 154.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.33ms. Allocated memory is still 211.8MB. Free memory was 154.2MB in the beginning and 152.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,614 INFO L158 Benchmark]: Boogie Preprocessor took 22.14ms. Allocated memory is still 211.8MB. Free memory was 152.6MB in the beginning and 151.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:50,615 INFO L158 Benchmark]: RCFGBuilder took 509.93ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 138.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,615 INFO L158 Benchmark]: CodeCheck took 21149.00ms. Allocated memory is still 211.8MB. Free memory was 138.0MB in the beginning and 103.6MB in the end (delta: 34.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,615 INFO L158 Benchmark]: Witness Printer took 72.31ms. Allocated memory is still 211.8MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:50,622 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: 21.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 58 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 198 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 847 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 15.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 343 SizeOfPredicates, 1 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 16/18 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=3, R=2, 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=3, R=2, counter=0] [L29] u = ((long long) 2 * R) + 1 [L30] v = 1 [L31] r = ((long long) R * R) - A VAL [A=3, counter=0, r=1, u=5, v=1] [L34] EXPR counter++ VAL [A=3, counter=1, r=1, u=5, v=1] [L34] COND TRUE counter++<1 [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=3, counter=1, r=1, u=5, v=1] [L36] COND FALSE !(!(r != 0)) VAL [A=3, counter=1, r=1, u=5, v=1] [L39] EXPR counter++ VAL [A=3, counter=2, r=1, u=5, v=1] [L39] COND FALSE !(counter++<1) [L47] EXPR counter++ VAL [A=3, counter=3, r=1, u=5, v=1] [L47] COND FALSE !(counter++<1) [L34] EXPR counter++ VAL [A=3, counter=4, r=1, u=5, v=1] [L34] COND FALSE !(counter++<1) [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 0.34ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.91ms. Allocated memory is still 211.8MB. Free memory was 167.3MB in the beginning and 154.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.33ms. Allocated memory is still 211.8MB. Free memory was 154.2MB in the beginning and 152.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.14ms. Allocated memory is still 211.8MB. Free memory was 152.6MB in the beginning and 151.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.93ms. Allocated memory is still 211.8MB. Free memory was 151.3MB in the beginning and 138.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 21149.00ms. Allocated memory is still 211.8MB. Free memory was 138.0MB in the beginning and 103.6MB in the end (delta: 34.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 72.31ms. Allocated memory is still 211.8MB. Free memory was 103.6MB in the beginning and 101.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:27:50,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c64e31d-a0b1-4874-b824-91e0789b72f6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE