./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.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_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/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_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/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_e7d014c3-2772-450b-9629-6765b22e98af/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 185af411ffb66b9762afca1cabf119211700e2cdb0b48054cece4906f7290e44 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:30,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:30,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:34:30,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:34:30,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:34:30,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:30,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:30,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:30,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:30,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:30,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:30,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:30,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:34:30,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:34:30,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:34:30,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:30,628 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:30,628 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:30,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:30,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:30,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:30,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:30,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:30,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:30,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:30,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:30,629 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:34:30,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:34:30,630 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_e7d014c3-2772-450b-9629-6765b22e98af/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 -> 185af411ffb66b9762afca1cabf119211700e2cdb0b48054cece4906f7290e44 [2024-11-25 02:34:30,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:30,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:30,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:30,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:30,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:30,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c [2024-11-25 02:34:34,130 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/data/a79fa8e99/f7d7911077314499a1aadebfb7d3828f/FLAGab13d46e7 [2024-11-25 02:34:34,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:34,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c [2024-11-25 02:34:34,449 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/data/a79fa8e99/f7d7911077314499a1aadebfb7d3828f/FLAGab13d46e7 [2024-11-25 02:34:34,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/data/a79fa8e99/f7d7911077314499a1aadebfb7d3828f [2024-11-25 02:34:34,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:34,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:34,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:34,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:34,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:34,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:34" (1/1) ... [2024-11-25 02:34:34,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0a466f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:34, skipping insertion in model container [2024-11-25 02:34:34,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:34" (1/1) ... [2024-11-25 02:34:34,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:34,980 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_e7d014c3-2772-450b-9629-6765b22e98af/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c[525,538] [2024-11-25 02:34:35,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:35,061 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:35,075 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_e7d014c3-2772-450b-9629-6765b22e98af/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound2.c[525,538] [2024-11-25 02:34:35,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:35,131 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:35,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35 WrapperNode [2024-11-25 02:34:35,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:35,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:35,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:35,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:35,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,189 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-25 02:34:35,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:35,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:35,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:35,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:35,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:35,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:35,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:35,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:35,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:35,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:35,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d014c3-2772-450b-9629-6765b22e98af/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:35,321 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:34:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:34:35,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:34:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:35,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:34:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:34:35,401 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:35,404 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:35,792 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:35,793 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:35,876 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:35,878 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:34:35,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:35 BoogieIcfgContainer [2024-11-25 02:34:35,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:35,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:35,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:35,896 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:35,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:35" (1/1) ... [2024-11-25 02:34:35,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-25 02:34:35,993 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-25 02:34:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:34:36,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:36,894 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 02:34:47,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:34:57,083 WARN L539 Checker$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 02:34:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-11-25 02:34:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-11-25 02:34:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:34:57,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:57,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:57,827 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 02:34:58,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:58,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2024-11-25 02:34:58,577 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2024-11-25 02:34:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:34:58,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:58,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:59,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:35:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2024-11-25 02:35:00,404 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2024-11-25 02:35:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:35:00,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:00,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:00,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:35:00,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:00,970 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 02:35:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-25 02:35:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-25 02:35:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:35:02,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:02,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:02,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:35:02,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:35:08,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:35:08,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:08,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 34 states and 63 transitions. [2024-11-25 02:35:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2024-11-25 02:35:08,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:35:08,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:08,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:08,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:35:08,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:09,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:35:12,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:35:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 71 transitions. [2024-11-25 02:35:12,027 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-11-25 02:35:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:35:12,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:12,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:12,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:35:12,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:12,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:35:30,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:35:40,312 WARN L539 Checker$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 02:35:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 40 states and 78 transitions. [2024-11-25 02:35:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2024-11-25 02:35:40,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:35:40,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:40,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:35:40,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:35:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:43,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 42 states and 85 transitions. [2024-11-25 02:35:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2024-11-25 02:35:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:43,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:43,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:43,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:35:43,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 02:35:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 45 states and 94 transitions. [2024-11-25 02:35:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2024-11-25 02:35:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 02:35:49,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:49,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:49,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:35:49,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:49,218 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 02:35:59,630 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 02:35:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 47 states and 100 transitions. [2024-11-25 02:35:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 100 transitions. [2024-11-25 02:35:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:35:59,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:59,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:35:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:59,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:35:59,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-25 02:36:20,151 WARN L286 SmtUtils]: Spent 20.14s on a formula simplification. DAG size of input: 23 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:36:40,427 WARN L286 SmtUtils]: Spent 20.07s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:36:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 48 states and 101 transitions. [2024-11-25 02:36:40,475 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 101 transitions. [2024-11-25 02:36:40,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:36:40,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:40,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:36:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:02,012 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 02:37:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 105 transitions. [2024-11-25 02:37:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 105 transitions. [2024-11-25 02:37:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 02:37:14,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:14,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:37:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:37:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:14,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:37:14,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-25 02:37:39,358 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 02:37:49,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:37:49,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 115 transitions. [2024-11-25 02:37:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 02:37:49,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 02:37:49,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:49,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:37:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-25 02:37:53,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 02:37:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 56 states and 121 transitions. [2024-11-25 02:37:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 121 transitions. [2024-11-25 02:37:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 02:37:54,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:54,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:37:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat