./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.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_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/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_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/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_606c6e9d-c9b5-48a7-a2e5-708471585411/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 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:51,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:51,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:30:51,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:51,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:51,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:51,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:51,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:51,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:51,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:51,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:51,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:51,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:51,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:51,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:51,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:51,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:51,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:51,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:51,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:51,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:51,427 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:51,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:51,427 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_606c6e9d-c9b5-48a7-a2e5-708471585411/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 -> 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c [2024-11-13 21:30:51,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:51,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:51,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:51,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:51,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:51,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c Unable to find full path for "g++" [2024-11-13 21:30:53,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:53,904 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:53,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2024-11-13 21:30:53,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/data/60e35a387/ca40f1b615264f4ca43c994da20c241e/FLAG99f4a9ff1 [2024-11-13 21:30:53,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/data/60e35a387/ca40f1b615264f4ca43c994da20c241e [2024-11-13 21:30:53,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:53,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:53,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:53,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:53,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:53,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:53" (1/1) ... [2024-11-13 21:30:53,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eed97cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:53, skipping insertion in model container [2024-11-13 21:30:53,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:53" (1/1) ... [2024-11-13 21:30:53,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:54,103 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_606c6e9d-c9b5-48a7-a2e5-708471585411/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c[1060,1073] [2024-11-13 21:30:54,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:54,130 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:54,140 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_606c6e9d-c9b5-48a7-a2e5-708471585411/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c[1060,1073] [2024-11-13 21:30:54,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:54,164 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:54,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54 WrapperNode [2024-11-13 21:30:54,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:54,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:54,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:54,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:54,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,194 INFO L138 Inliner]: procedures = 16, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-11-13 21:30:54,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:54,195 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:54,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:54,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:54,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,212 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:54,224 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:54,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:54,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:54,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:54,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:54,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:54,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606c6e9d-c9b5-48a7-a2e5-708471585411/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:30:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:30:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2024-11-13 21:30:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2024-11-13 21:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:30:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:30:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:30:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:30:54,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:30:54,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:54,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:54,635 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:54,635 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:54,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:54,691 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:30:54,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:54 BoogieIcfgContainer [2024-11-13 21:30:54,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:54,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:54,692 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:54,705 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:54,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:54" (1/1) ... [2024-11-13 21:30:54,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:54,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2024-11-13 21:30:54,773 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2024-11-13 21:30:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:30:54,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:54,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:55,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 21:30:55,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:55,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:30:55,256 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 21:30:55,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 21:30:55,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:30:55,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2024-11-13 21:30:56,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-11-13 21:30:56,215 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 21:30:58,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:30:58,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 39 transitions. [2024-11-13 21:30:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 21:30:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:30:58,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:59,379 WARN L253 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-13 21:30:59,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:59,406 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 21:30:59,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 21:30:59,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:31:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:31:41,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:31:41,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 48 [2024-11-13 21:32:19,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:19,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:19,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 166 [2024-11-13 21:32:19,849 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:32:19,853 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 295 [2024-11-13 21:32:20,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 103 [2024-11-13 21:32:20,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 81 [2024-11-13 21:32:20,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-13 21:32:20,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-13 21:32:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:32:22,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 142 [2024-11-13 21:32:22,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 54 [2024-11-13 21:32:22,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2024-11-13 21:32:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:02,725 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:35:46,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:35:51,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:35:52,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:35:57,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:35:59,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:36:00,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:36:10,294 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 96 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:36:28,022 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification. DAG size of input: 98 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:36:45,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:37:00,468 WARN L286 SmtUtils]: Spent 9.42s on a formula simplification. DAG size of input: 98 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:38:20,134 WARN L286 SmtUtils]: Spent 18.31s on a formula simplification. DAG size of input: 59 DAG size of output: 1 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:38:30,213 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 61 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:38:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 67 transitions. [2024-11-13 21:38:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2024-11-13 21:38:33,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:38:33,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:33,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:38:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:33,470 WARN L253 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 124 conjuncts are in the unsatisfiable core [2024-11-13 21:38:33,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:38:33,496 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 21:38:33,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 21:38:33,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:38:56,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:38:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:38:56,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 48 [2024-11-13 21:39:17,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:17,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:17,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 166 [2024-11-13 21:39:20,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 70 [2024-11-13 21:39:20,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-13 21:39:20,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2024-11-13 21:39:20,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-13 21:39:20,289 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:39:20,291 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2024-11-13 21:39:56,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:39:56,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 223 [2024-11-13 21:39:56,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2024-11-13 21:39:56,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 72 [2024-11-13 21:40:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:40:29,514 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse24 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~v.base) c_func_to_recursive_line_33_to_42_0_~v.offset)) (.cse6 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (let ((.cse0 (not (= c_func_to_recursive_line_33_to_42_0_~u.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse3 (= (mod (+ .cse6 1) 2) 0)) (.cse5 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset)) (.cse9 (= .cse24 3)) (.cse8 (* (- 1) .cse6)) (.cse4 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset)) (.cse13 (= .cse24 1)) (.cse1 (not (= c_func_to_recursive_line_33_to_42_0_~r.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse2 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~r.base))) (.cse14 (not (= c_func_to_recursive_line_33_to_42_0_~r.base c_func_to_recursive_line_33_to_42_0_~u.base))) (.cse15 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse16 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~u.base)))) (and (not (and .cse0 .cse1 .cse2 (or (and .cse3 (= (+ .cse4 .cse5 .cse6 1) (let ((.cse7 (div (+ (- 1) .cse8) 2))) (* .cse7 .cse7))) (<= 0 .cse4) .cse9 (<= (+ .cse4 4) .cse6)) (and (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_2 (Array Int Int))) (let ((.cse12 (store (store (store |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base v_DerPreprocessor_1) c_func_to_recursive_line_33_to_42_0_~r.base v_DerPreprocessor_2) c_func_to_recursive_line_33_to_42_0_~v.base v_DerPreprocessor_3))) (let ((.cse10 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset))) (and (<= (+ .cse10 1) 0) (= (+ .cse4 1) (+ .cse6 .cse10)) (= 3 (select v_DerPreprocessor_3 c_func_to_recursive_line_33_to_42_0_~v.offset)) (= (let ((.cse11 (div (+ (* (- 1) .cse4) .cse10) 2))) (* .cse11 .cse11)) (+ .cse4 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset))) (<= (+ 5 (* 2 .cse10)) .cse4) (= .cse4 (+ .cse10 1 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (= (mod (+ .cse4 .cse10) 2) 0))))) .cse13)) .cse14 .cse15 .cse16)) .cse0 (or (let ((.cse17 (let ((.cse18 (div (+ .cse8 1) 2))) (* .cse18 .cse18)))) (and (<= (+ .cse5 1) .cse17) .cse3 (= (+ .cse4 .cse5 1) .cse17) (<= (+ 3 .cse17) (+ .cse5 .cse6)) .cse9)) (and (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (let ((.cse22 (store (store (store |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base v_DerPreprocessor_4) c_func_to_recursive_line_33_to_42_0_~r.base v_DerPreprocessor_5) c_func_to_recursive_line_33_to_42_0_~v.base v_DerPreprocessor_6))) (let ((.cse21 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (let ((.cse19 (let ((.cse23 (div (+ (* (- 1) .cse21) 1) 2))) (* .cse23 .cse23))) (.cse20 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset))) (and (<= .cse19 .cse20) (= 3 (select v_DerPreprocessor_6 c_func_to_recursive_line_33_to_42_0_~v.offset)) (= (+ 2 .cse21) .cse6) (= (+ .cse20 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset) 1) .cse19) (= (mod (+ .cse21 1) 2) 0) (= (+ .cse4 .cse20) (+ .cse21 .cse19)) (<= (+ 3 .cse19) (+ .cse21 .cse20))))))) .cse13)) .cse1 .cse2 .cse14 .cse15 .cse16))) is different from false [2024-11-13 21:42:57,313 WARN L286 SmtUtils]: Spent 1.86m on a formula simplification. DAG size of input: 140 DAG size of output: 128 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:42:58,027 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse24 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~v.base) c_func_to_recursive_line_33_to_42_0_~v.offset)) (.cse6 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (let ((.cse0 (not (= c_func_to_recursive_line_33_to_42_0_~u.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse3 (= (mod (+ .cse6 1) 2) 0)) (.cse5 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset)) (.cse9 (= .cse24 3)) (.cse8 (* (- 1) .cse6)) (.cse4 (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset)) (.cse13 (= .cse24 1)) (.cse1 (not (= c_func_to_recursive_line_33_to_42_0_~r.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse2 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~r.base))) (.cse14 (not (= c_func_to_recursive_line_33_to_42_0_~r.base c_func_to_recursive_line_33_to_42_0_~u.base))) (.cse15 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~v.base))) (.cse16 (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~u.base)))) (and (not (and .cse0 .cse1 .cse2 (or (and .cse3 (= (+ .cse4 .cse5 .cse6 1) (let ((.cse7 (div (+ (- 1) .cse8) 2))) (* .cse7 .cse7))) (<= 0 .cse4) .cse9 (<= (+ .cse4 4) .cse6)) (and (exists ((v_DerPreprocessor_1 (Array Int Int)) (v_DerPreprocessor_3 (Array Int Int)) (v_DerPreprocessor_2 (Array Int Int))) (let ((.cse12 (store (store (store |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base v_DerPreprocessor_1) c_func_to_recursive_line_33_to_42_0_~r.base v_DerPreprocessor_2) c_func_to_recursive_line_33_to_42_0_~v.base v_DerPreprocessor_3))) (let ((.cse10 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset))) (and (<= (+ .cse10 1) 0) (= (+ .cse4 1) (+ .cse6 .cse10)) (= 3 (select v_DerPreprocessor_3 c_func_to_recursive_line_33_to_42_0_~v.offset)) (= (let ((.cse11 (div (+ (* (- 1) .cse4) .cse10) 2))) (* .cse11 .cse11)) (+ .cse4 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset))) (<= (+ 5 (* 2 .cse10)) .cse4) (= .cse4 (+ .cse10 1 (select (select .cse12 c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (= (mod (+ .cse4 .cse10) 2) 0))))) .cse13)) .cse14 .cse15 .cse16)) .cse0 (or (let ((.cse17 (let ((.cse18 (div (+ .cse8 1) 2))) (* .cse18 .cse18)))) (and (<= (+ .cse5 1) .cse17) .cse3 (= (+ .cse4 .cse5 1) .cse17) (<= (+ 3 .cse17) (+ .cse5 .cse6)) .cse9)) (and (exists ((v_DerPreprocessor_5 (Array Int Int)) (v_DerPreprocessor_4 (Array Int Int)) (v_DerPreprocessor_6 (Array Int Int))) (let ((.cse22 (store (store (store |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~u.base v_DerPreprocessor_4) c_func_to_recursive_line_33_to_42_0_~r.base v_DerPreprocessor_5) c_func_to_recursive_line_33_to_42_0_~v.base v_DerPreprocessor_6))) (let ((.cse21 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~u.base) c_func_to_recursive_line_33_to_42_0_~u.offset))) (let ((.cse19 (let ((.cse23 (div (+ (* (- 1) .cse21) 1) 2))) (* .cse23 .cse23))) (.cse20 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~A.base) c_func_to_recursive_line_33_to_42_0_~A.offset))) (and (<= .cse19 .cse20) (= 3 (select v_DerPreprocessor_6 c_func_to_recursive_line_33_to_42_0_~v.offset)) (= (+ 2 .cse21) .cse6) (= (+ .cse20 (select (select .cse22 c_func_to_recursive_line_33_to_42_0_~r.base) c_func_to_recursive_line_33_to_42_0_~r.offset) 1) .cse19) (= (mod (+ .cse21 1) 2) 0) (= (+ .cse4 .cse20) (+ .cse21 .cse19)) (<= (+ 3 .cse19) (+ .cse21 .cse20))))))) .cse13)) .cse1 .cse2 .cse14 .cse15 .cse16)))) is different from true [2024-11-13 21:43:51,781 WARN L286 SmtUtils]: Spent 38.01s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:53,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:44:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:44:28,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 73 transitions. [2024-11-13 21:44:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2024-11-13 21:44:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:44:28,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:44:28,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:44:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:44:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:44:29,244 WARN L253 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-13 21:44:29,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:29,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 21:44:29,274 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-11-13 21:44:29,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-11-13 21:45:09,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:45:09,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 53 [2024-11-13 21:46:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:46:21,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 21:46:21,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 225 treesize of output 163 [2024-11-13 21:46:21,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 207 treesize of output 150 [2024-11-13 21:46:21,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 82 [2024-11-13 21:46:21,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 81 [2024-11-13 21:46:21,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-13 21:46:22,514 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 21:46:22,515 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84