./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9 --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 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:15:52,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:15:52,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:15:52,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:15:52,934 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:15:52,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:15:52,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:15:52,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:15:52,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:15:52,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:15:52,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:15:52,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:15:52,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:15:52,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:15:52,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:15:52,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:15:52,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:15:52,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:15:52,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:15:52,965 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:15:52,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:15:52,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:15:52,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:15:52,967 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:15:52,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:15:52,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:15:52,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:52,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:15:52,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:15:52,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:15:52,969 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:15:52,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:15:52,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:15:52,970 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_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a [2023-12-03 01:15:53,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:15:53,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:15:53,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:15:53,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:15:53,234 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:15:53,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-12-03 01:15:56,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:15:56,175 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:15:56,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-12-03 01:15:56,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/data/59bda9fd9/1b68e217af7e4275acc72becc1221093/FLAGb112dce8a [2023-12-03 01:15:56,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/data/59bda9fd9/1b68e217af7e4275acc72becc1221093 [2023-12-03 01:15:56,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:15:56,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:15:56,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:56,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:15:56,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:15:56,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b42322c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56, skipping insertion in model container [2023-12-03 01:15:56,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:15:56,349 WARN L240 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_66c60196-242b-46a5-93c0-c999de3507cb/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c[535,548] [2023-12-03 01:15:56,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:56,380 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:15:56,390 WARN L240 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_66c60196-242b-46a5-93c0-c999de3507cb/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c[535,548] [2023-12-03 01:15:56,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:15:56,414 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:15:56,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56 WrapperNode [2023-12-03 01:15:56,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:15:56,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:56,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:15:56,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:15:56,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,448 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 68 [2023-12-03 01:15:56,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:15:56,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:15:56,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:15:56,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:15:56,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:15:56,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:15:56,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:15:56,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:15:56,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:15:56,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:15:56,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:15:56,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66c60196-242b-46a5-93c0-c999de3507cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:15:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:15:56,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:15:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:15:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:15:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:15:56,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:15:56,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:15:56,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:15:56,615 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:15:56,617 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:15:56,778 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:15:56,807 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:15:56,807 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-03 01:15:56,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:56 BoogieIcfgContainer [2023-12-03 01:15:56,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:15:56,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:15:56,811 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:15:56,821 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:15:56,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:15:56" (1/1) ... [2023-12-03 01:15:56,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:15:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-12-03 01:15:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-12-03 01:15:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:15:56,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:56,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:57,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:15:57,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2023-12-03 01:15:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-03 01:15:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:15:57,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:57,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:57,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:15:57,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-12-03 01:15:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-12-03 01:15:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:15:57,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:57,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:57,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:15:57,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2023-12-03 01:15:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2023-12-03 01:15:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:15:57,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:57,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 01:15:57,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-12-03 01:15:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-12-03 01:15:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:15:59,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:59,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:59,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:15:59,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:59,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:15:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:59,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2023-12-03 01:15:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2023-12-03 01:15:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:15:59,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:59,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:59,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:59,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:16:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2023-12-03 01:16:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2023-12-03 01:16:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:16:11,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:11,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:16:11,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:16:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 92 transitions. [2023-12-03 01:16:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 92 transitions. [2023-12-03 01:16:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:16:11,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:11,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:11,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:16:11,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:16:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2023-12-03 01:16:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2023-12-03 01:16:26,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 01:16:26,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:26,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:26,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:16:26,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:16:37,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:37,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2023-12-03 01:16:37,196 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2023-12-03 01:16:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:16:37,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:37,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:37,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:16:37,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:16:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 67 states and 125 transitions. [2023-12-03 01:16:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 125 transitions. [2023-12-03 01:16:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:16:55,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:55,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 01:16:55,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:06,601 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 01:17:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:17:36,602 WARN L293 SmtUtils]: Spent 20.26s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:17:46,910 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:18:07,185 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:18:28,809 WARN L293 SmtUtils]: Spent 20.43s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:18:41,369 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:18:51,990 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:19:12,271 WARN L293 SmtUtils]: Spent 20.22s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:19:34,991 WARN L293 SmtUtils]: Spent 20.86s on a formula simplification. DAG size of input: 36 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:19:46,072 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:20:02,066 WARN L293 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:20:22,994 WARN L293 SmtUtils]: Spent 20.33s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:20:43,548 WARN L293 SmtUtils]: Spent 20.11s on a formula simplification. DAG size of input: 34 DAG size of output: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:20:56,605 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:21:07,137 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:21:28,285 WARN L293 SmtUtils]: Spent 20.81s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:21:49,833 WARN L293 SmtUtils]: Spent 20.52s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:22:01,069 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:22:11,464 WARN L293 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:22:32,246 WARN L293 SmtUtils]: Spent 20.57s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:22:53,048 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 35 DAG size of output: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:23:05,702 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:23:16,157 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:23:37,348 WARN L293 SmtUtils]: Spent 20.72s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:23:58,775 WARN L293 SmtUtils]: Spent 20.98s on a formula simplification. DAG size of input: 33 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:24:11,683 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:24:22,242 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:24:28,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:24:31,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2023-12-03 01:24:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2023-12-03 01:24:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:24:31,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:31,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:31,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:24:31,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:31,555 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:24:41,775 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:24:52,977 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:25:03,784 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:25:14,978 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:25:25,063 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:25:35,291 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:25:47,382 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:26:00,223 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:26:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 163 transitions. [2023-12-03 01:26:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 163 transitions. [2023-12-03 01:26:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 01:26:06,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:06,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:06,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:26:06,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:26:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 86 states and 183 transitions. [2023-12-03 01:26:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 183 transitions. [2023-12-03 01:26:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:26:10,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:10,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:10,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:26:10,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:26:18,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:18,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 92 states and 204 transitions. [2023-12-03 01:26:18,329 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 204 transitions. [2023-12-03 01:26:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:26:18,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:18,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:26:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:26:18,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 01:26:41,960 WARN L293 SmtUtils]: Spent 21.92s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:26:53,324 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:27:14,940 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 32 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:27:26,695 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:27:49,869 WARN L293 SmtUtils]: Spent 20.29s on a formula simplification. DAG size of input: 30 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:28:00,792 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:28:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2023-12-03 01:28:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2023-12-03 01:28:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:28:00,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:00,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:28:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:00,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-03 01:28:00,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:17,399 WARN L293 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 01:28:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-12-03 01:28:46,124 WARN L293 SmtUtils]: Spent 20.20s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:29:06,965 WARN L293 SmtUtils]: Spent 20.25s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:29:19,195 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:29:30,821 WARN L293 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:29:33,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:29:53,369 WARN L293 SmtUtils]: Spent 20.15s on a formula simplification. DAG size of input: 32 DAG size of output: 28 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:30:14,279 WARN L293 SmtUtils]: Spent 20.21s on a formula simplification. DAG size of input: 34 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:30:27,027 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:30:38,016 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:30:41,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 98 states and 213 transitions. [2023-12-03 01:30:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 213 transitions. [2023-12-03 01:30:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:30:41,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:30:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:41,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:30:41,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:30:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:30:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 102 states and 227 transitions. [2023-12-03 01:30:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 227 transitions. [2023-12-03 01:30:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:30:51,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:30:51,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:30:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:30:51,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:30:51,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:30:51,469 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:31:01,797 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 01:31:12,096 WARN L293 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)