./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk --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 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:38:52,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:38:52,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:38:52,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:38:52,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:38:52,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:38:52,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:38:52,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:38:52,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:38:52,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:38:52,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:38:52,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:38:52,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:38:52,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:38:52,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:38:52,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:38:52,664 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:38:52,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:38:52,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:38:52,665 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:38:52,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:38:52,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:38:52,666 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:38:52,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:38:52,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:38:52,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:38:52,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:38:52,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:52,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:38:52,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:38:52,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:38:52,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:38:52,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:38:52,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ac0f213d1d000e527ab073eb0dd4288784176d966909606abb71d9dc425fd71 [2024-11-09 00:38:52,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:38:52,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:38:52,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:38:52,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:38:52,995 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:38:52,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c Unable to find full path for "g++" [2024-11-09 00:38:55,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:38:55,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:38:55,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c [2024-11-09 00:38:55,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/data/955047148/98bf1688dc3e47969b5c94b264271869/FLAG3344dc89c [2024-11-09 00:38:55,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/data/955047148/98bf1688dc3e47969b5c94b264271869 [2024-11-09 00:38:55,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:38:55,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:38:55,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:55,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:38:55,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:38:55,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d142ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55, skipping insertion in model container [2024-11-09 00:38:55,277 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:38:55,501 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_01a73627-66d3-4785-8cef-3e19a7dae22d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2024-11-09 00:38:55,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:55,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:38:55,573 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_01a73627-66d3-4785-8cef-3e19a7dae22d/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound50.c[535,548] [2024-11-09 00:38:55,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:38:55,604 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:38:55,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55 WrapperNode [2024-11-09 00:38:55,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:38:55,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:55,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:38:55,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:38:55,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,644 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-09 00:38:55,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:38:55,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:38:55,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:38:55,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:38:55,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:38:55,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:38:55,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:38:55,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:38:55,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:55,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:38:55,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:38:55,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:38:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01a73627-66d3-4785-8cef-3e19a7dae22d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:38:55,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:38:55,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:38:55,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:38:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:38:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:38:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:38:55,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:38:55,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:38:55,951 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 00:38:55,952 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:38:55,984 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:38:55,985 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 00:38:55,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:55 BoogieIcfgContainer [2024-11-09 00:38:55,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:38:55,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:38:55,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:38:55,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:38:55,998 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:38:55" (1/1) ... [2024-11-09 00:38:56,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:38:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-09 00:38:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-09 00:38:56,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:38:56,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:56,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:38:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:56,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:38:56,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:56,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:38:57,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:38:59,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:38:59,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2024-11-09 00:38:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-09 00:38:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:38:59,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:38:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:39:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-09 00:39:04,211 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-09 00:39:04,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:39:04,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:39:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-11-09 00:39:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-09 00:39:04,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:39:04,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 00:39:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:04,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2024-11-09 00:39:04,657 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-09 00:39:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:39:04,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:04,770 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 00:39:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-11-09 00:39:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-11-09 00:39:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:39:07,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:07,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:39:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:07,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:39:07,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:39:44,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:39:46,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:39:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-09 00:39:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-09 00:39:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:39:54,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:39:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:39:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:54,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:39:54,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:00,936 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:40:01,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:01,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-09 00:40:01,598 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-09 00:40:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:40:01,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:01,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:40:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:01,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:40:01,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:40:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-09 00:40:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-09 00:40:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:40:07,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:07,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:40:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:07,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:40:07,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:40:10,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:10,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-09 00:40:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-09 00:40:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:40:10,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:40:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:10,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:40:10,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:10,774 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 00:40:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2024-11-09 00:40:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2024-11-09 00:40:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:40:13,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:40:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:40:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:13,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:40:13,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:27,385 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:40:45,915 WARN L286 SmtUtils]: Spent 16.80s on a formula simplification. DAG size of input: 35 DAG size of output: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:01,409 WARN L286 SmtUtils]: Spent 15.27s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:12,419 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:29,344 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:41:53,633 WARN L286 SmtUtils]: Spent 11.26s on a formula simplification. DAG size of input: 37 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:42:11,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:42:13,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:42:32,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.57s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:42:34,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:42:36,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 00:42:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2024-11-09 00:42:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2024-11-09 00:42:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:42:37,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:37,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 00:42:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-11-09 00:42:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-11-09 00:42:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 00:42:45,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:42:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2024-11-09 00:42:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2024-11-09 00:42:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:42:46,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:46,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:42:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:46,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:42:46,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:44:02,757 WARN L286 SmtUtils]: Spent 14.33s on a formula simplification. DAG size of input: 42 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:44:12,766 WARN L851 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_main_~r~0#1| 0)) (not (and (exists ((|v_ULTIMATE.start_main_~R~0#1_23| Int)) (let ((.cse0 (* 2 |v_ULTIMATE.start_main_~R~0#1_23|)) (.cse1 (* |v_ULTIMATE.start_main_~R~0#1_23| |v_ULTIMATE.start_main_~R~0#1_23|))) (and (<= (+ .cse0 1) |c_ULTIMATE.start_main_~u~0#1|) (<= (+ 2 .cse1) (+ .cse0 |c_ULTIMATE.start_main_~A~0#1|)) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse1)))) (<= 1 |c_ULTIMATE.start_main_~v~0#1|))) (not (let ((.cse2 (div (+ (- 1) |c_ULTIMATE.start_main_~u~0#1|) 2))) (and (<= 0 .cse2) (<= .cse2 50)))) (= |c_ULTIMATE.start_main_~v~0#1| 1) (= (+ (* |c_ULTIMATE.start_main_~u~0#1| |c_ULTIMATE.start_main_~u~0#1|) (* 2 |c_ULTIMATE.start_main_~v~0#1|)) (+ (* |c_ULTIMATE.start_main_~v~0#1| |c_ULTIMATE.start_main_~v~0#1|) (* |c_ULTIMATE.start_main_~u~0#1| 2) (* |c_ULTIMATE.start_main_~r~0#1| 4) (* |c_ULTIMATE.start_main_~A~0#1| 4)))) is different from false [2024-11-09 00:47:07,430 WARN L286 SmtUtils]: Spent 45.79s on a formula simplification. DAG size of input: 45 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:47:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:47:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:47:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:47:59,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:59,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:47:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:59,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:47:59,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:10,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:10,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:10,293 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:10,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:10,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:10,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:10,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:16,633 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:16,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:16,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:16,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:16,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:16,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:16,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:17,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:17,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:17,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:17,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:20,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:20,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:20,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:20,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:27,574 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:27,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:27,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:27,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:27,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:33,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:33,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:33,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:33,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:33,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:33,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:35,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:35,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:35,110 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:35,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:35,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:35,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:35,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:35,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:42,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:42,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:42,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:42,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:45,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:45,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-09 00:48:45,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:48,295 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:48,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:48,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:48,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:48,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:52,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:52,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:52,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:48:52,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-09 00:48:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 78 states and 140 transitions. [2024-11-09 00:48:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 140 transitions. [2024-11-09 00:48:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:48:53,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:53,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-09 00:48:53,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 19 proven. 21 refuted. 2 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:52:15,771 WARN L286 SmtUtils]: Spent 11.72s on a formula simplification. DAG size of input: 42 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:53:36,495 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:53:39,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:53:41,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]