./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b --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 aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:56:21,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:56:21,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:56:21,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:56:21,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:56:21,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:56:21,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:56:21,137 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:56:21,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:56:21,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:56:21,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:56:21,138 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:56:21,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:56:21,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:21,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:56:21,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:56:21,139 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_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b 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 -> aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd [2024-12-05 21:56:21,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:56:21,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:56:21,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:56:21,391 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:56:21,392 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:56:21,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c [2024-12-05 21:56:24,060 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/data/06c8bb947/5556c6d5576045bba2b7d18d62941b53/FLAGe77dc88a1 [2024-12-05 21:56:24,255 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:56:24,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c [2024-12-05 21:56:24,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/data/06c8bb947/5556c6d5576045bba2b7d18d62941b53/FLAGe77dc88a1 [2024-12-05 21:56:24,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/data/06c8bb947/5556c6d5576045bba2b7d18d62941b53 [2024-12-05 21:56:24,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:56:24,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:56:24,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:24,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:56:24,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:56:24,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759f54cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24, skipping insertion in model container [2024-12-05 21:56:24,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:56:24,781 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_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2024-12-05 21:56:24,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:24,803 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:56:24,812 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_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2024-12-05 21:56:24,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:56:24,829 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:56:24,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24 WrapperNode [2024-12-05 21:56:24,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:56:24,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:24,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:56:24,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:56:24,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,853 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-12-05 21:56:24,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:56:24,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:56:24,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:56:24,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:56:24,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,864 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:56:24,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:56:24,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:56:24,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:56:24,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:56:24" (1/1) ... [2024-12-05 21:56:24,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:56:24,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:56:24,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:56:24,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d029a4-5ebe-4c1c-9a54-1461fe8e6df9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:56:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:56:24,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:56:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:56:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:56:24,965 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:56:24,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:56:25,053 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 21:56:25,054 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:56:25,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:56:25,076 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:56:25,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:25 BoogieIcfgContainer [2024-12-05 21:56:25,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:56:25,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:56:25,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:56:25,084 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:56:25,084 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:56:25" (1/1) ... [2024-12-05 21:56:25,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:56:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 21:56:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 21:56:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:56:25,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:25,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 21:56:25,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:56:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-05 21:56:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-05 21:56:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:56:25,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:25,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:56:25,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:25,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-05 21:56:25,955 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-05 21:56:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:56:25,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:25,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:26,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 21:56:26,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 21:56:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 33 transitions. [2024-12-05 21:56:26,860 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-05 21:56:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:56:26,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:26,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 21:56:26,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 21:56:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:29,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2024-12-05 21:56:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-12-05 21:56:29,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 21:56:29,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:29,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 21:56:29,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 21:56:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 44 transitions. [2024-12-05 21:56:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2024-12-05 21:56:33,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 21:56:33,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:33,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:33,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:33,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 21:56:33,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:33,622 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-05 21:56:46,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:56:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 48 transitions. [2024-12-05 21:56:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-12-05 21:56:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 21:56:46,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:56:46,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:56:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:56:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:56:46,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-05 21:56:46,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:56:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-05 21:57:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:57:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 51 transitions. [2024-12-05 21:57:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2024-12-05 21:57:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 21:57:01,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:57:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:57:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:57:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:57:01,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 21:57:01,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:59:44,066 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:01:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 51 proven. 13 refuted. 2 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-05 22:02:10,683 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:02:22,970 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| Int)) (= |c_ULTIMATE.start_main_~x~0#1| (+ (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1|) 1)))) (= (+ .cse0 |c_ULTIMATE.start_main_~z~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) 1) |c_ULTIMATE.start_main_~x~0#1|) (not (= |c_ULTIMATE.start_main_~x~0#1| 1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_20| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)) (= .cse0 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)))))) is different from false [2024-12-05 22:02:53,170 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:03:03,183 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (exists ((|v_ULTIMATE.start_main_~x~0#1_33| Int)) (= |c_ULTIMATE.start_main_~x~0#1| (+ (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1|) 1)))) (= (+ .cse0 |c_ULTIMATE.start_main_~z~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) 1) |c_ULTIMATE.start_main_~x~0#1|) (not (= |c_ULTIMATE.start_main_~x~0#1| 1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_20| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)) (= .cse0 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|))))))) is different from true [2024-12-05 22:03:26,429 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 34 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:04:43,330 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (exists ((|v_ULTIMATE.start_main_~y~0#1_28| Int) (|v_ULTIMATE.start_main_~x~0#1_33| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_28|))) (and (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse0 |c_ULTIMATE.start_main_~z~0#1| 1)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1|) .cse1) (+ .cse0 |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~y~0#1| .cse1))))) (not (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| .cse3 1))) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| .cse3 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) 1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_20| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)) (= .cse2 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)))))) is different from false [2024-12-05 22:05:03,958 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse3 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse2 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|))) (and (not (exists ((|v_ULTIMATE.start_main_~y~0#1_28| Int) (|v_ULTIMATE.start_main_~x~0#1_33| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_28|))) (and (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse0 |c_ULTIMATE.start_main_~z~0#1| 1)) (= (+ (* |v_ULTIMATE.start_main_~x~0#1_33| |c_ULTIMATE.start_main_~z~0#1|) .cse1) (+ .cse0 |c_ULTIMATE.start_main_~z~0#1|)) (= |c_ULTIMATE.start_main_~y~0#1| .cse1))))) (not (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| .cse3 1))) (= |c_ULTIMATE.start_main_~x~0#1| (+ .cse2 |c_ULTIMATE.start_main_~z~0#1| .cse3 (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) 1)) (exists ((|v_ULTIMATE.start_main_~y~0#1_20| Int)) (and (= |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|)) (= .cse2 (* |c_ULTIMATE.start_main_~z~0#1| |v_ULTIMATE.start_main_~y~0#1_20|))))))) is different from true [2024-12-05 22:06:23,555 WARN L286 SmtUtils]: Spent 40.54s on a formula simplification. DAG size of input: 66 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:11:51,326 WARN L286 SmtUtils]: Spent 20.55s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)