./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.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_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/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_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/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_cad60fa7-b090-4919-a963-703cda6a40c8/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 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:25:27,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:25:28,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:25:28,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:25:28,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:25:28,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:25:28,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:25:28,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:25:28,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:25:28,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:25:28,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:25:28,112 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:25:28,112 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:25:28,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:25:28,113 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:25:28,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:25:28,113 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:25:28,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:25:28,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:25:28,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:25:28,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:25:28,114 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:25:28,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:25:28,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:25:28,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:25:28,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:25:28,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:25:28,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:25:28,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:25:28,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:25:28,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:25:28,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:25:28,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:25:28,117 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_cad60fa7-b090-4919-a963-703cda6a40c8/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 -> 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 [2024-11-25 03:25:28,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:25:28,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:25:28,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:25:28,470 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:25:28,470 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:25:28,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2024-11-25 03:25:31,363 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/data/4d3f3e987/c46323fc09ef4157b85e1aade315e785/FLAG5bd84974e [2024-11-25 03:25:31,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:25:31,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2024-11-25 03:25:31,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/data/4d3f3e987/c46323fc09ef4157b85e1aade315e785/FLAG5bd84974e [2024-11-25 03:25:31,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/data/4d3f3e987/c46323fc09ef4157b85e1aade315e785 [2024-11-25 03:25:31,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:25:31,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:25:31,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:25:31,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:25:31,641 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:25:31,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:31,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dca0b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31, skipping insertion in model container [2024-11-25 03:25:31,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:31,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:25:31,846 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_cad60fa7-b090-4919-a963-703cda6a40c8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-11-25 03:25:31,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:25:31,906 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:25:31,919 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_cad60fa7-b090-4919-a963-703cda6a40c8/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-11-25 03:25:31,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:25:31,970 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:25:31,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31 WrapperNode [2024-11-25 03:25:31,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:25:31,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:25:31,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:25:31,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:25:31,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:31,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,020 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-25 03:25:32,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:25:32,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:25:32,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:25:32,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:25:32,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,043 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:25:32,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:25:32,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:25:32,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:25:32,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:25:31" (1/1) ... [2024-11-25 03:25:32,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:25:32,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:25:32,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:25:32,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cad60fa7-b090-4919-a963-703cda6a40c8/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:25:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:25:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:25:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:25:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:25:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:25:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:25:32,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:25:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:25:32,191 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:25:32,194 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:25:32,436 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 03:25:32,436 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:25:32,479 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:25:32,479 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:25:32,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:25:32 BoogieIcfgContainer [2024-11-25 03:25:32,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:25:32,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:25:32,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:25:32,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:25:32,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:25:32" (1/1) ... [2024-11-25 03:25:32,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:25:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:32,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-25 03:25:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-25 03:25:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:25:32,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:25:43,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:25:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-25 03:25:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-25 03:25:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:25:44,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:44,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:25:45,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-25 03:25:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-25 03:25:45,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:25:45,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:45,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:45,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:25:45,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:25:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-11-25 03:25:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-11-25 03:25:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:25:46,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:46,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:46,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:25:46,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:46,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 03:25:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:47,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-11-25 03:25:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-11-25 03:25:47,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:25:47,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:47,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:47,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:25:47,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:25:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2024-11-25 03:25:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-11-25 03:25:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:25:48,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:48,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:25:48,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-25 03:25:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:49,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-25 03:25:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-25 03:25:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:25:49,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:49,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:49,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:25:49,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:25:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:25:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2024-11-25 03:25:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2024-11-25 03:25:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:25:50,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:25:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:25:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:25:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:25:50,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:25:50,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:25:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-25 03:26:00,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:26:10,818 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 [] [2024-11-25 03:26:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 03:26:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 03:26:10,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 03:26:10,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:26:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:26:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:10,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:26:10,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-25 03:26:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 88 transitions. [2024-11-25 03:26:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2024-11-25 03:26:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 03:26:11,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:11,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:26:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 03:26:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 92 transitions. [2024-11-25 03:26:13,059 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2024-11-25 03:26:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 03:26:13,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:26:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:26:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:13,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 03:26:13,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:26:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-25 03:26:32,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:26:42,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:26:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 104 transitions. [2024-11-25 03:26:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2024-11-25 03:26:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 03:26:42,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:42,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:26:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:26:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:26:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:26:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 60 states and 128 transitions. [2024-11-25 03:26:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2024-11-25 03:26:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 03:26:56,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:26:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:26:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:27:08,589 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:28:14,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:28:24,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:28:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 69 states and 145 transitions. [2024-11-25 03:28:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2024-11-25 03:28:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 03:28:24,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:28:24,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:28:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:28:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:29:01,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:29:29,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:29:33,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:29:33,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 77 states and 164 transitions. [2024-11-25 03:29:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 164 transitions. [2024-11-25 03:29:33,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:29:33,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:29:33,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:29:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:29:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:30:41,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:31:15,146 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:31:26,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:31:28,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 86 states and 187 transitions. [2024-11-25 03:31:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 187 transitions. [2024-11-25 03:31:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 03:31:28,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:28,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:31:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:31:33,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:31:33,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 87 states and 189 transitions. [2024-11-25 03:31:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 189 transitions. [2024-11-25 03:31:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 03:31:33,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:31:33,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:31:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:31:40,437 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:32:27,193 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification. DAG size of input: 96 DAG size of output: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:32:50,951 WARN L286 SmtUtils]: Spent 6.38s 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 03:33:35,053 WARN L286 SmtUtils]: Spent 21.09s on a formula simplification. DAG size of input: 94 DAG size of output: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:34:01,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:34:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 95 states and 212 transitions. [2024-11-25 03:34:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 212 transitions. [2024-11-25 03:34:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:34:05,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:05,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:34:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:05,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:34:05,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:34:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-25 03:34:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:10,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 215 transitions. [2024-11-25 03:34:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 215 transitions. [2024-11-25 03:34:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:34:10,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:10,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:11,100 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:34:13,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:13,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 97 states and 217 transitions. [2024-11-25 03:34:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 217 transitions. [2024-11-25 03:34:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 03:34:13,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:13,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:34:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:35:11,549 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:35:19,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:35:55,306 WARN L286 SmtUtils]: Spent 16.95s on a formula simplification. DAG size of input: 112 DAG size of output: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:36:25,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:36:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:36:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 106 states and 237 transitions. [2024-11-25 03:36:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 237 transitions. [2024-11-25 03:36:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 03:36:30,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:36:30,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:36:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:36:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:36:30,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:36:30,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:36:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 33 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-25 03:36:58,634 WARN L286 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 55 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:37:22,363 WARN L286 SmtUtils]: Spent 11.21s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:37:43,429 WARN L286 SmtUtils]: Spent 17.72s on a formula simplification. DAG size of input: 53 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:37:53,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:38:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:38:09,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 111 states and 250 transitions. [2024-11-25 03:38:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 250 transitions. [2024-11-25 03:38:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 03:38:09,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:38:09,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:38:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:38:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 03:39:27,481 WARN L286 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 130 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:39:47,709 WARN L286 SmtUtils]: Spent 19.02s on a formula simplification. DAG size of input: 132 DAG size of output: 132 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)