./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.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_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/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_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/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_375be430-0c5d-421a-b1cc-74a917dba781/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 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:38,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:38,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:06:38,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:06:38,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:06:38,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:38,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:38,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:38,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:38,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:38,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:38,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:38,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:38,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:38,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:38,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:38,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:38,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:38,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:38,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:38,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:38,948 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:06:38,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:06:38,948 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_375be430-0c5d-421a-b1cc-74a917dba781/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 -> 7f97a505fe6488215cf15708661c3a7c87a5132fbff317a4b6f7f9cc44d66008 [2024-11-13 23:06:39,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:39,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:39,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:39,262 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:39,262 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:39,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c Unable to find full path for "g++" [2024-11-13 23:06:41,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:41,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:41,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c [2024-11-13 23:06:41,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/data/b33f0c7aa/139f58406b024a75821dd2db1c30d880/FLAGc83c4a3cd [2024-11-13 23:06:41,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/data/b33f0c7aa/139f58406b024a75821dd2db1c30d880 [2024-11-13 23:06:41,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:41,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:41,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:41,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:41,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:41,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc87577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41, skipping insertion in model container [2024-11-13 23:06:41,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:41,674 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_375be430-0c5d-421a-b1cc-74a917dba781/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c[535,548] [2024-11-13 23:06:41,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:41,713 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:41,723 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_375be430-0c5d-421a-b1cc-74a917dba781/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound5.c[535,548] [2024-11-13 23:06:41,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:41,759 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:41,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41 WrapperNode [2024-11-13 23:06:41,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:41,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:41,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:41,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:41,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,802 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2024-11-13 23:06:41,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:41,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:41,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:41,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:41,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:41,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:41,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:41,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:41,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:41" (1/1) ... [2024-11-13 23:06:41,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:41,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:41,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:41,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_375be430-0c5d-421a-b1cc-74a917dba781/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:06:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:06:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:06:41,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:41,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:41,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:06:41,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:06:41,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:41,985 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:42,165 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:42,167 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:42,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:42,208 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:06:42,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:42 BoogieIcfgContainer [2024-11-13 23:06:42,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:42,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:42,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:42,220 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:42,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:42" (1/1) ... [2024-11-13 23:06:42,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 23:06:42,296 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 23:06:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:06:42,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:42,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:06:42,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 23:06:42,528 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 23:06:42,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:06:42,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:42,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:06:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:42,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 41 transitions. [2024-11-13 23:06:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-13 23:06:42,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 23:06:42,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:42,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:06:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:42,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:06:42,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:06:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:06:48,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:06:50,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:06:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 54 transitions. [2024-11-13 23:06:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-13 23:06:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:06:50,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:06:53,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:06:56,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 54 transitions. [2024-11-13 23:06:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-11-13 23:06:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:06:56,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:56,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:56,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:06:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 57 transitions. [2024-11-13 23:06:56,624 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-13 23:06:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:06:56,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:56,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:07:30,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 66 transitions. [2024-11-13 23:07:30,274 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2024-11-13 23:07:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:07:30,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:30,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:07:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 66 transitions. [2024-11-13 23:07:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2024-11-13 23:07:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:07:30,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:30,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 23:07:52,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 70 transitions. [2024-11-13 23:07:52,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2024-11-13 23:07:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:07:52,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:52,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:07:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:08:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 79 transitions. [2024-11-13 23:08:20,231 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2024-11-13 23:08:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:08:20,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:20,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 23:08:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:08:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 83 transitions. [2024-11-13 23:08:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2024-11-13 23:08:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:08:28,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:08:28,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:08:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:08:28,376 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:09:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:09:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 98 transitions. [2024-11-13 23:09:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2024-11-13 23:09:02,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:09:02,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:09:02,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:09:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:09:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:09:02,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:09:02,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:09:10,719 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 23:10:05,637 WARN L286 SmtUtils]: Spent 17.07s on a formula simplification. DAG size of input: 34 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:10:52,650 WARN L286 SmtUtils]: Spent 18.81s on a formula simplification. DAG size of input: 34 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:11:17,830 WARN L286 SmtUtils]: Spent 12.00s on a formula simplification. DAG size of input: 32 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:12:04,580 WARN L286 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:12:28,545 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:12:33,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:13:04,202 WARN L286 SmtUtils]: Spent 18.83s on a formula simplification. DAG size of input: 30 DAG size of output: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:13:24,915 WARN L286 SmtUtils]: Spent 18.56s on a formula simplification. DAG size of input: 32 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:14:23,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:14:32,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:14:39,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 68 states and 120 transitions. [2024-11-13 23:14:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2024-11-13 23:14:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:14:39,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:39,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:40,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:15:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 132 transitions. [2024-11-13 23:15:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2024-11-13 23:15:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:15:38,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:38,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:15:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 74 states and 136 transitions. [2024-11-13 23:15:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2024-11-13 23:15:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 23:15:48,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:48,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 23:15:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 143 transitions. [2024-11-13 23:15:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2024-11-13 23:15:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:15:58,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 23:16:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 76 states and 142 transitions. [2024-11-13 23:16:00,288 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 142 transitions. [2024-11-13 23:16:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:16:00,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:00,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:16:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:00,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:16:00,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 23:17:04,103 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (= |c_ULTIMATE.start_main_~v~0#1| 1))) (and (not (and (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (let ((.cse0 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse0 .cse0))) (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0) .cse1)) (<= c_~counter~0 3) .cse1 (<= (+ |c_ULTIMATE.start_main_~r~0#1| 1) 0) (= (+ (* |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~u~0#1|) (* 2 |c_ULTIMATE.start_main_~v~0#1|)) (+ (* |c_ULTIMATE.start_main_~v~0#1| |c_ULTIMATE.start_main_~v~0#1|) (* |c_ULTIMATE.start_main_~u~0#1| 2) (* |c_ULTIMATE.start_main_~r~0#1| 4) (* |c_ULTIMATE.start_main_~A~0#1| 4))))) is different from false [2024-11-13 23:17:14,689 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse1 (= |c_ULTIMATE.start_main_~v~0#1| 1))) (and (not (and (= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) (let ((.cse0 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (* .cse0 .cse0))) (= (mod (+ |c_ULTIMATE.start_main_~u~0#1| 1) 2) 0) .cse1)) (<= c_~counter~0 3) .cse1 (<= (+ |c_ULTIMATE.start_main_~r~0#1| 1) 0) (= (+ (* |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~u~0#1|) (* 2 |c_ULTIMATE.start_main_~v~0#1|)) (+ (* |c_ULTIMATE.start_main_~v~0#1| |c_ULTIMATE.start_main_~v~0#1|) (* |c_ULTIMATE.start_main_~u~0#1| 2) (* |c_ULTIMATE.start_main_~r~0#1| 4) (* |c_ULTIMATE.start_main_~A~0#1| 4)))))) is different from true [2024-11-13 23:18:00,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 23:18:44,912 WARN L286 SmtUtils]: Spent 19.57s on a formula simplification. DAG size of input: 34 DAG size of output: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:18:57,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 80 states and 156 transitions. [2024-11-13 23:18:57,281 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 156 transitions. [2024-11-13 23:18:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:18:57,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:57,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:18:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:19:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 84 states and 165 transitions. [2024-11-13 23:19:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2024-11-13 23:19:11,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:19:11,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:11,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 23:20:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 84 states and 164 transitions. [2024-11-13 23:20:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 164 transitions. [2024-11-13 23:20:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:20:23,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:23,890 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 23:20:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:32,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 165 transitions. [2024-11-13 23:20:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 165 transitions. [2024-11-13 23:20:32,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:20:32,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:32,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:32,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 23:20:32,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:55,030 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 23:22:04,105 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.