./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3 --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 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:22:06,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:22:06,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:22:06,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:22:06,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:22:06,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:22:06,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:22:06,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:22:06,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:22:06,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:22:06,899 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:22:06,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:22:06,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:22:06,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:22:06,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:22:06,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:22:06,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:22:06,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:22:06,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:22:06,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:22:06,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:22:06,903 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:22:06,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:22:06,903 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_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3 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 -> 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe [2024-11-24 18:22:07,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:22:07,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:22:07,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:22:07,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:22:07,219 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:22:07,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-11-24 18:22:10,307 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/data/402b9b21f/dd4bdb1d554e4890abb155a414785e39/FLAG30fd7eb58 [2024-11-24 18:22:10,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:22:10,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-11-24 18:22:10,609 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/data/402b9b21f/dd4bdb1d554e4890abb155a414785e39/FLAG30fd7eb58 [2024-11-24 18:22:10,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/data/402b9b21f/dd4bdb1d554e4890abb155a414785e39 [2024-11-24 18:22:10,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:22:10,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:22:10,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:10,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:22:10,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:22:10,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7f97d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10, skipping insertion in model container [2024-11-24 18:22:10,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:22:10,831 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_dc240938-d679-4cda-a1b5-358ea8186b7d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c[525,538] [2024-11-24 18:22:10,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:10,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:22:10,870 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_dc240938-d679-4cda-a1b5-358ea8186b7d/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c[525,538] [2024-11-24 18:22:10,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:22:10,896 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:22:10,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10 WrapperNode [2024-11-24 18:22:10,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:22:10,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:10,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:22:10,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:22:10,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,936 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-11-24 18:22:10,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:22:10,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:22:10,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:22:10,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:22:10,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:22:10,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:22:10,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:22:10,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:22:10,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:22:10" (1/1) ... [2024-11-24 18:22:10,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:22:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:22:11,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:22:11,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc240938-d679-4cda-a1b5-358ea8186b7d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:22:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:22:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:22:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:22:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:22:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:22:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:22:11,111 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:22:11,112 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:22:11,249 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-24 18:22:11,249 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:22:11,275 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:22:11,276 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:22:11,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:11 BoogieIcfgContainer [2024-11-24 18:22:11,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:22:11,277 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:22:11,277 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:22:11,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:22:11,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:22:11" (1/1) ... [2024-11-24 18:22:11,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:22:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-24 18:22:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-24 18:22:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:22:11,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:11,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:22:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:22:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:22:11,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:11,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:11,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:22:11,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:11,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-24 18:22:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-24 18:22:12,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:22:12,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:12,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-24 18:22:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-24 18:22:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:22:12,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-24 18:22:13,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-24 18:22:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-24 18:22:13,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:13,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:14,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 18:22:14,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2024-11-24 18:22:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-11-24 18:22:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:22:17,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:17,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:18,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-24 18:22:18,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-24 18:22:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-24 18:22:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-24 18:22:22,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:22:22,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:23,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 18:22:23,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:23,971 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:22:38,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:22:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-24 18:22:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-24 18:22:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:22:38,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:38,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-24 18:22:38,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-24 18:22:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 76 transitions. [2024-11-24 18:22:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 76 transitions. [2024-11-24 18:22:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:22:41,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:41,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:22:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:41,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-24 18:22:41,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-24 18:23:12,869 WARN L286 SmtUtils]: Spent 24.24s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:23:33,268 WARN L286 SmtUtils]: Spent 16.64s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:23:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2024-11-24 18:23:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2024-11-24 18:23:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-24 18:23:39,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:39,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:23:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:23:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:40,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-24 18:23:40,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 5 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-24 18:24:04,310 WARN L286 SmtUtils]: Spent 21.01s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:25:03,100 WARN L286 SmtUtils]: Spent 29.70s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:25:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:11,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 56 states and 99 transitions. [2024-11-24 18:25:11,454 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 99 transitions. [2024-11-24 18:25:11,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 18:25:11,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:11,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:25:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:25:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:12,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-24 18:25:12,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-24 18:25:31,558 WARN L286 SmtUtils]: Spent 14.36s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:03,767 WARN L286 SmtUtils]: Spent 30.10s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:26:16,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:26:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2024-11-24 18:26:17,396 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2024-11-24 18:26:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-24 18:26:17,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:17,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:26:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:26:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:17,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-24 18:26:17,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 7 proven. 112 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-24 18:27:09,347 WARN L286 SmtUtils]: Spent 46.46s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:28:18,666 WARN L286 SmtUtils]: Spent 57.53s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:28:28,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:28:47,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:28:48,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 64 states and 113 transitions. [2024-11-24 18:28:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 113 transitions. [2024-11-24 18:28:48,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-24 18:28:48,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:48,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:28:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:28:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:49,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-24 18:28:49,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:01,732 WARN L286 SmtUtils]: Spent 8.89s 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) [2024-11-24 18:29:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 144 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-24 18:30:54,297 WARN L286 SmtUtils]: Spent 1.68m on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:32:32,704 WARN L286 SmtUtils]: Spent 1.57m on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:32:34,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:33:20,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:33:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:33:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2024-11-24 18:33:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2024-11-24 18:33:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:33:21,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:33:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:33:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:33:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:33:23,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-24 18:33:23,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:33:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 9 proven. 180 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 18:35:22,404 WARN L286 SmtUtils]: Spent 1.67m on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:36:41,825 WARN L286 SmtUtils]: Spent 1.25m on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-24 18:37:14,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:37:29,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-24 18:37:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:37:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2024-11-24 18:37:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2024-11-24 18:37:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-24 18:37:29,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:37:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:37:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:37:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:37:31,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-24 18:37:31,819 INFO L279 TraceCheckSpWp]: Computing forward predicates...