./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.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_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/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_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/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_41f3390f-92b8-4144-911d-12fb866309ae/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 e8ba7d590cbb780f326a15a59f36cf1896b82ce2465f6328eea27dcc3a24abff --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:04:45,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:04:45,926 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:04:45,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:04:45,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:04:45,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:04:45,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:04:45,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:04:45,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:04:45,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:04:45,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:04:45,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:04:45,955 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:04:45,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:04:45,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:04:45,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:04:45,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:04:45,957 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:45,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:04:45,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:04:45,958 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_41f3390f-92b8-4144-911d-12fb866309ae/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 -> e8ba7d590cbb780f326a15a59f36cf1896b82ce2465f6328eea27dcc3a24abff [2024-11-25 04:04:46,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:04:46,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:04:46,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:04:46,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:04:46,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:04:46,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2024-11-25 04:04:49,210 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/data/8276ae3c0/74f024587dbf4d63b1f66e22e3f623b0/FLAG266a6f511 [2024-11-25 04:04:49,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:04:49,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c [2024-11-25 04:04:49,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/data/8276ae3c0/74f024587dbf4d63b1f66e22e3f623b0/FLAG266a6f511 [2024-11-25 04:04:49,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/data/8276ae3c0/74f024587dbf4d63b1f66e22e3f623b0 [2024-11-25 04:04:49,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:04:49,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:04:49,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:49,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:04:49,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:04:49,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f66f637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49, skipping insertion in model container [2024-11-25 04:04:49,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,507 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:04:49,681 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_41f3390f-92b8-4144-911d-12fb866309ae/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c[524,537] [2024-11-25 04:04:49,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:49,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:04:49,723 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_41f3390f-92b8-4144-911d-12fb866309ae/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound50.c[524,537] [2024-11-25 04:04:49,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:04:49,743 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:04:49,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49 WrapperNode [2024-11-25 04:04:49,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:04:49,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:49,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:04:49,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:04:49,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,775 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-25 04:04:49,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:04:49,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:04:49,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:04:49,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:04:49,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:04:49,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:04:49,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:04:49,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:04:49,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:04:49" (1/1) ... [2024-11-25 04:04:49,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:04:49,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:04:49,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:04:49,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41f3390f-92b8-4144-911d-12fb866309ae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:04:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:04:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:04:49,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:04:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:04:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:04:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:04:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:04:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:04:49,931 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:04:49,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:04:50,094 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 04:04:50,094 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:04:50,141 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:04:50,141 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:04:50,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:50 BoogieIcfgContainer [2024-11-25 04:04:50,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:04:50,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:04:50,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:04:50,153 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:04:50,153 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:04:50" (1/1) ... [2024-11-25 04:04:50,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:04:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 04:04:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 04:04:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:04:50,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:50,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:04:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:50,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:04:50,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:04:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:51,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 30 transitions. [2024-11-25 04:04:51,115 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 04:04:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:04:51,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:51,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:04:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 28 transitions. [2024-11-25 04:04:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-25 04:04:52,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:04:52,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:52,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:04:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:52,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:04:52,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:04:53,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 34 transitions. [2024-11-25 04:04:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-25 04:04:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 04:04:53,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:53,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:04:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:53,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 04:04:53,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:54,416 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 04:04:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 39 transitions. [2024-11-25 04:04:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:04:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 04:04:57,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:57,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:04:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:04:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:57,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-25 04:04:57,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:58,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:05:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:01,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 43 transitions. [2024-11-25 04:05:01,985 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 04:05:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 04:05:01,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:02,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 04:05:02,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 04:05:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 47 transitions. [2024-11-25 04:05:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-25 04:05:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:05:08,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:08,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:08,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-25 04:05:08,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 40 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 04:05:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:15,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 51 transitions. [2024-11-25 04:05:15,113 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2024-11-25 04:05:15,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-25 04:05:15,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:15,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-25 04:05:15,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 27 proven. 50 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-25 04:05:26,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 55 transitions. [2024-11-25 04:05:26,872 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-25 04:05:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-25 04:05:26,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:26,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:27,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-25 04:05:27,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:27,978 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 27 proven. 68 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-25 04:05:38,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:05:44,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 59 transitions. [2024-11-25 04:05:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-25 04:05:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-25 04:05:44,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:44,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:05:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:05:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:44,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-25 04:05:44,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:45,648 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 29 proven. 89 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-25 04:06:08,760 WARN L286 SmtUtils]: Spent 20.88s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:06:28,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:28,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 63 transitions. [2024-11-25 04:06:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2024-11-25 04:06:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 04:06:28,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:28,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:06:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:28,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-25 04:06:28,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 19 proven. 124 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-25 04:06:39,718 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:07:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 67 transitions. [2024-11-25 04:07:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2024-11-25 04:07:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-25 04:07:09,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:09,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:07:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:10,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-25 04:07:10,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:11,864 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 19 proven. 130 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-25 04:07:30,453 WARN L286 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:07:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:53,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 71 transitions. [2024-11-25 04:07:53,866 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2024-11-25 04:07:53,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-25 04:07:53,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:53,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:07:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:07:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:54,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-25 04:07:54,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 46 proven. 171 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-25 04:08:53,553 WARN L286 SmtUtils]: Spent 46.59s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:09:35,601 WARN L286 SmtUtils]: Spent 36.14s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:10:16,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:10:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 75 transitions. [2024-11-25 04:10:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2024-11-25 04:10:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-25 04:10:16,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:16,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:10:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:10:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:17,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-25 04:10:17,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:20,556 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 22 proven. 208 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-25 04:11:22,860 WARN L286 SmtUtils]: Spent 54.46s on a formula simplification that was a NOOP. DAG size: 102 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:12:40,691 WARN L286 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:13:10,537 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 101 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:13:25,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:13:27,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:13:39,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:13:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 79 transitions. [2024-11-25 04:13:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 04:13:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-25 04:13:39,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:39,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:13:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:13:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:13:40,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-25 04:13:40,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 57 proven. 206 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-11-25 04:17:35,896 WARN L286 SmtUtils]: Spent 3.67m on a formula simplification that was a NOOP. DAG size: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:19:01,102 WARN L286 SmtUtils]: Spent 1.35m on a formula simplification that was a NOOP. DAG size: 110 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:19:04,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []