./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i --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_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/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_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/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_82fbb038-0bed-482d-9e6d-7536e349f7d0/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 c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:29:16,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:29:16,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:29:16,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:29:16,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:29:16,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:29:16,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:29:16,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:29:16,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:29:16,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:29:16,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:29:16,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:29:16,808 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:29:16,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:29:16,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:29:16,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:29:16,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:29:16,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:29:16,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:29:16,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:29:16,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:29:16,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:29:16,817 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:29:16,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:29:16,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:29:16,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:29:16,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:29:16,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:16,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:29:16,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:29:16,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:29:16,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:29:16,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:29:16,823 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_82fbb038-0bed-482d-9e6d-7536e349f7d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 [2024-11-08 23:29:17,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:29:17,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:29:17,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:29:17,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:29:17,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:29:17,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i Unable to find full path for "g++" [2024-11-08 23:29:19,151 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:29:19,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:29:19,352 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2024-11-08 23:29:19,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/data/12fe075ed/8c0e321092ed45a79f885c46991d33e9/FLAG838f3f1e9 [2024-11-08 23:29:19,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/data/12fe075ed/8c0e321092ed45a79f885c46991d33e9 [2024-11-08 23:29:19,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:29:19,386 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:29:19,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:19,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:29:19,393 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:29:19,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba97e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19, skipping insertion in model container [2024-11-08 23:29:19,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,424 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:29:19,648 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_82fbb038-0bed-482d-9e6d-7536e349f7d0/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-11-08 23:29:19,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:19,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:29:19,702 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_82fbb038-0bed-482d-9e6d-7536e349f7d0/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2024-11-08 23:29:19,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:29:19,739 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:29:19,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19 WrapperNode [2024-11-08 23:29:19,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:29:19,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:19,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:29:19,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:29:19,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,775 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-08 23:29:19,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:29:19,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:29:19,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:29:19,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:29:19,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,815 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:29:19,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:29:19,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:29:19,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:29:19,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:29:19" (1/1) ... [2024-11-08 23:29:19,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:29:19,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:29:19,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:29:19,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82fbb038-0bed-482d-9e6d-7536e349f7d0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:29:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:29:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:29:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:29:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:29:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:29:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:29:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:29:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:29:19,968 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:29:19,970 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:29:20,174 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:29:20,174 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:29:20,218 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:29:20,219 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:29:20,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:20 BoogieIcfgContainer [2024-11-08 23:29:20,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:29:20,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:29:20,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:29:20,234 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:29:20,234 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:29:20" (1/1) ... [2024-11-08 23:29:20,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:29:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:29:20,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:29:20,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:29:20,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:20,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:29:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-08 23:29:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-08 23:29:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:29:20,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:20,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:29:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:20,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:29:20,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:20,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:29:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2024-11-08 23:29:21,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 23:29:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:29:21,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:21,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:29:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 34 transitions. [2024-11-08 23:29:22,159 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 23:29:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 23:29:22,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:22,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:29:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 45 transitions. [2024-11-08 23:29:24,250 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-08 23:29:24,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:29:24,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:24,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:29:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:24,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:29:24,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:25,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:29:32,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:32,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 69 transitions. [2024-11-08 23:29:32,475 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-11-08 23:29:32,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:29:32,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:32,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:29:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:32,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:29:32,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 23:29:36,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:36,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 43 states and 71 transitions. [2024-11-08 23:29:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2024-11-08 23:29:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:29:36,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:37,800 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 23:29:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 96 transitions. [2024-11-08 23:29:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2024-11-08 23:29:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:29:46,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:29:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:29:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:47,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 23:29:47,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:30:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:30:16,063 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:30:55,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:55,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 65 states and 120 transitions. [2024-11-08 23:30:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2024-11-08 23:30:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:30:55,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:30:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:56,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:30:56,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:30:58,578 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 23:31:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:01,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 67 states and 122 transitions. [2024-11-08 23:31:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2024-11-08 23:31:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:31:01,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:31:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:02,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:31:02,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:31:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 23:31:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 75 states and 142 transitions. [2024-11-08 23:31:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2024-11-08 23:31:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 23:31:45,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:31:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:46,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-08 23:31:46,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:32:16,437 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:32:30,859 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:32:40,896 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:33:00,960 WARN L286 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:33:24,657 WARN L286 SmtUtils]: Spent 23.70s on a formula simplification. DAG size of input: 21 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:33:53,210 WARN L286 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:34:16,790 WARN L286 SmtUtils]: Spent 23.58s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:34:46,625 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:35:03,290 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:35:16,193 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:35:38,289 WARN L286 SmtUtils]: Spent 20.28s on a formula simplification. DAG size of input: 43 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:35:54,185 WARN L286 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:35:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 23:36:24,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:36:28,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:36:31,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:36:34,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:37:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 73 states and 134 transitions. [2024-11-08 23:37:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2024-11-08 23:37:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:00,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:00,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 12 proven. 19 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 23:40:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 137 transitions. [2024-11-08 23:40:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 137 transitions. [2024-11-08 23:40:09,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-08 23:40:09,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:09,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:12,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-08 23:40:12,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 23:41:35,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:42:30,169 WARN L286 SmtUtils]: Spent 13.52s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:42:44,941 WARN L286 SmtUtils]: Spent 13.08s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:42:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 90 states and 166 transitions. [2024-11-08 23:42:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 166 transitions. [2024-11-08 23:42:54,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 23:42:54,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:54,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:42:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:58,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 23:42:58,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:34,294 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:43:46,809 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:43:49,534 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 8 proven. 42 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:44:13,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.93s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []