./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/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_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/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_e844bc49-8c64-4724-80cc-15cb2a34d201/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 a634b7b2fdba4e1130af0357d8449857b1aa9910f5828bc3787bf2c95d83a46a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:52:31,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:52:31,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:52:31,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:52:31,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:52:31,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:52:31,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:52:31,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:52:31,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:52:31,989 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:52:31,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:52:31,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:52:31,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:52:31,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:52:31,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:52:31,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:52:31,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:52:31,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:52:31,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:52:31,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:52:31,994 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:52:31,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:52:31,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:52:31,998 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:52:31,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:52:31,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:52:31,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:52:31,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:32,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:52:32,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:52:32,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:52:32,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:52:32,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:52:32,003 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_e844bc49-8c64-4724-80cc-15cb2a34d201/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a634b7b2fdba4e1130af0357d8449857b1aa9910f5828bc3787bf2c95d83a46a [2024-11-09 00:52:32,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:52:32,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:52:32,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:52:32,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:52:32,308 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:52:32,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c Unable to find full path for "g++" [2024-11-09 00:52:34,506 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:52:34,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:52:34,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c [2024-11-09 00:52:34,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/data/039dd5e11/516a6e59b3544231b456d5b6ab3ffc51/FLAG7c9bb77e2 [2024-11-09 00:52:34,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/data/039dd5e11/516a6e59b3544231b456d5b6ab3ffc51 [2024-11-09 00:52:34,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:52:34,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:52:34,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:34,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:52:34,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:52:34,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:34" (1/1) ... [2024-11-09 00:52:34,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:34, skipping insertion in model container [2024-11-09 00:52:34,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:52:34" (1/1) ... [2024-11-09 00:52:34,795 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:52:34,992 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_e844bc49-8c64-4724-80cc-15cb2a34d201/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c[546,559] [2024-11-09 00:52:35,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:35,015 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:52:35,025 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_e844bc49-8c64-4724-80cc-15cb2a34d201/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound10.c[546,559] [2024-11-09 00:52:35,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:52:35,048 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:52:35,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35 WrapperNode [2024-11-09 00:52:35,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:52:35,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:35,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:52:35,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:52:35,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,076 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-09 00:52:35,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:52:35,077 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:52:35,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:52:35,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:52:35,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:52:35,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:52:35,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:52:35,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:52:35,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:52:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:52:35,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:52:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e844bc49-8c64-4724-80cc-15cb2a34d201/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:52:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:52:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:52:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:52:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:52:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:52:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:52:35,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:52:35,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:52:35,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:52:35,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:52:35,380 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-09 00:52:35,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:52:35,414 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:52:35,414 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:52:35,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:35 BoogieIcfgContainer [2024-11-09 00:52:35,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:52:35,417 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:52:35,417 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:52:35,429 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:52:35,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:52:35" (1/1) ... [2024-11-09 00:52:35,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:52:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-09 00:52:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-09 00:52:35,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:52:35,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:35,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:52:35,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:35,977 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 00:52:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-09 00:52:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-09 00:52:36,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:52:36,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:36,642 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 00:52:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2024-11-09 00:52:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2024-11-09 00:52:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:52:37,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:37,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:52:37,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:37,318 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 00:52:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-09 00:52:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-09 00:52:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:52:37,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:37,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:37,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 00:52:37,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:52:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-09 00:52:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-09 00:52:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:52:40,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:40,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:40,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:52:40,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 00:52:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2024-11-09 00:52:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2024-11-09 00:52:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 00:52:41,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:41,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:52:41,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:41,679 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 00:52:53,649 WARN L286 SmtUtils]: Spent 11.55s on a formula simplification. DAG size of input: 32 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:52:54,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:54,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-11-09 00:52:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-09 00:52:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:52:54,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:54,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:52:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:54,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 00:52:54,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:52:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 00:55:43,507 WARN L286 SmtUtils]: Spent 40.58s on a formula simplification. DAG size of input: 38 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:58:47,457 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:58:57,832 WARN L286 SmtUtils]: Spent 10.07s 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 00:59:02,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:59:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2024-11-09 00:59:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-11-09 00:59:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:59:02,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:59:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:59:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:02,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:59:02,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 01:00:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2024-11-09 01:00:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2024-11-09 01:00:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:00:46,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:00:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:00:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:46,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 01:00:46,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:01:01,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:01,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2024-11-09 01:01:01,650 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2024-11-09 01:01:01,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:01:01,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:01,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:01:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:01,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 01:01:01,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:01:01,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:01,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2024-11-09 01:01:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2024-11-09 01:01:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:01:01,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:01,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:01:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:02,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 01:01:02,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 01:01:27,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 01:01:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2024-11-09 01:01:38,343 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2024-11-09 01:01:38,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:01:38,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:38,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:01:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:38,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-09 01:01:38,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:38,670 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 01:01:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2024-11-09 01:01:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2024-11-09 01:01:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:01:38,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:38,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:01:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:38,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 01:01:38,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-09 01:01:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 65 states and 115 transitions. [2024-11-09 01:01:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 115 transitions. [2024-11-09 01:01:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 01:01:39,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:01:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:01:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:39,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 01:01:39,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 01:02:10,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:10,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2024-11-09 01:02:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2024-11-09 01:02:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 01:02:10,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:10,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:02:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:02:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:10,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 01:02:10,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 29 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 01:06:31,160 WARN L286 SmtUtils]: Spent 20.17s on a formula simplification. DAG size of input: 44 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)