./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.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_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/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_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/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_80fefb74-8a33-49f3-9018-48a2b657806a/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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:43:31,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:43:31,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:43:31,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:43:31,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:43:31,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:43:31,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:43:31,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:43:31,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:43:31,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:43:31,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:43:31,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:43:31,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:43:31,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:43:31,543 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:43:31,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:43:31,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:43:31,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:43:31,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:43:31,545 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:43:31,545 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:43:31,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:43:31,547 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:43:31,548 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:43:31,548 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:43:31,549 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:43:31,549 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:43:31,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:31,550 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:43:31,550 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:43:31,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:43:31,557 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:43:31,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:43:31,558 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_80fefb74-8a33-49f3-9018-48a2b657806a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2024-11-08 22:43:31,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:43:31,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:43:31,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:43:31,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:43:31,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:43:31,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c Unable to find full path for "g++" [2024-11-08 22:43:34,148 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:43:34,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:43:34,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-11-08 22:43:34,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/data/d6fae65a2/58986fcc1621496fb32f9d0586dc8f62/FLAG1acf98449 [2024-11-08 22:43:34,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/data/d6fae65a2/58986fcc1621496fb32f9d0586dc8f62 [2024-11-08 22:43:34,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:43:34,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:43:34,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:34,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:43:34,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:43:34,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193baf0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34, skipping insertion in model container [2024-11-08 22:43:34,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:43:34,657 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_80fefb74-8a33-49f3-9018-48a2b657806a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-08 22:43:34,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:34,689 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:43:34,702 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_80fefb74-8a33-49f3-9018-48a2b657806a/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-08 22:43:34,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:43:34,729 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:43:34,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34 WrapperNode [2024-11-08 22:43:34,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:43:34,731 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:34,731 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:43:34,731 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:43:34,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,765 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-08 22:43:34,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:43:34,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:43:34,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:43:34,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:43:34,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:43:34,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:43:34,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:43:34,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:43:34,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:43:34" (1/1) ... [2024-11-08 22:43:34,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:43:34,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:43:34,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:43:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:43:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:43:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:43:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:43:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:43:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:43:34,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:43:34,952 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:43:34,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:43:35,133 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:43:35,133 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:43:35,198 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:43:35,198 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:43:35,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:35 BoogieIcfgContainer [2024-11-08 22:43:35,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:43:35,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:43:35,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:43:35,211 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:43:35,212 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:35" (1/1) ... [2024-11-08 22:43:35,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:43:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-08 22:43:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-08 22:43:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:43:35,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:35,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 22:43:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 22:43:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:43:35,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-08 22:43:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-08 22:43:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:43:35,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:35,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:36,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-08 22:43:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-08 22:43:36,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:43:36,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:36,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-08 22:43:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-08 22:43:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:43:36,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:36,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:36,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:43:36,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:43:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:37,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-08 22:43:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-08 22:43:37,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:43:37,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:37,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:43:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2024-11-08 22:43:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2024-11-08 22:43:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:43:38,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:38,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:39,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:43:39,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:43:41,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-08 22:43:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-08 22:43:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:43:41,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:41,563 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:43:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-11-08 22:43:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-11-08 22:43:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:43:42,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:42,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:43:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 116 transitions. [2024-11-08 22:43:51,630 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-11-08 22:43:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:43:51,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:51,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:51,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:43:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 123 transitions. [2024-11-08 22:43:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 123 transitions. [2024-11-08 22:43:53,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 22:43:53,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:53,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:43:54,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:54,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 63 states and 125 transitions. [2024-11-08 22:43:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2024-11-08 22:43:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:43:54,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:54,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:54,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:43:54,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:43:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 142 transitions. [2024-11-08 22:43:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2024-11-08 22:43:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:43:58,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:43:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:43:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:58,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:43:58,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:58,907 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:44:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 149 transitions. [2024-11-08 22:44:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-11-08 22:44:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-08 22:44:00,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:00,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:44:00,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:00,873 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:44:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:01,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 150 transitions. [2024-11-08 22:44:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2024-11-08 22:44:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 22:44:01,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:01,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:01,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:44:01,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:02,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:44:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 83 states and 173 transitions. [2024-11-08 22:44:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 173 transitions. [2024-11-08 22:44:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:44:07,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:44:12,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:12,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 88 states and 185 transitions. [2024-11-08 22:44:12,624 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 185 transitions. [2024-11-08 22:44:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:44:12,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:12,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:44:19,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 95 states and 204 transitions. [2024-11-08 22:44:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 204 transitions. [2024-11-08 22:44:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:44:20,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:20,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:20,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:44:20,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:44:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:44:58,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 107 states and 235 transitions. [2024-11-08 22:44:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 235 transitions. [2024-11-08 22:44:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:44:58,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:44:58,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:44:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:44:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:44:58,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:44:58,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:44:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 22:45:00,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 109 states and 237 transitions. [2024-11-08 22:45:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 237 transitions. [2024-11-08 22:45:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:45:00,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:45:04,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:04,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 116 states and 252 transitions. [2024-11-08 22:45:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 252 transitions. [2024-11-08 22:45:04,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:45:04,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:04,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:45:05,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 61 states and 115 transitions. [2024-11-08 22:45:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2024-11-08 22:45:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:45:05,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:05,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-08 22:45:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 39 states and 58 transitions. [2024-11-08 22:45:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-08 22:45:08,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 22:45:08,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:08,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:45:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:45:08,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:45:08,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:45:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-08 22:45:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:45:12,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 39 states and 57 transitions. [2024-11-08 22:45:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2024-11-08 22:45:12,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:45:12,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:45:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:45:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:45:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:12,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:45:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:45:12,456 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 24 iterations. [2024-11-08 22:45:12,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:45:12 ImpRootNode [2024-11-08 22:45:12,504 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:45:12,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:45:12,505 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:45:12,505 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:45:12,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:43:35" (3/4) ... [2024-11-08 22:45:12,507 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:45:12,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:45:12,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:45:12,582 INFO L158 Benchmark]: Toolchain (without parser) took 98215.39ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 126.4MB in the beginning and 91.4MB in the end (delta: 35.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,583 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:12,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.91ms. Allocated memory is still 153.1MB. Free memory was 126.4MB in the beginning and 113.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.91ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 111.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,584 INFO L158 Benchmark]: Boogie Preprocessor took 28.52ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 110.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:45:12,585 INFO L158 Benchmark]: RCFGBuilder took 403.55ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 96.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,585 INFO L158 Benchmark]: CodeCheck took 97304.07ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 96.0MB in the beginning and 94.6MB in the end (delta: 1.5MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,586 INFO L158 Benchmark]: Witness Printer took 77.09ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:45:12,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 97.2s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2007 SdHoareTripleChecker+Valid, 22.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 936 mSDsluCounter, 2066 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 864 mSDsCounter, 2150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7284 IncrementalHoareTripleChecker+Invalid, 9434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2150 mSolverCounterUnsat, 1202 mSDtfsCounter, 7284 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7209 GetRequests, 6726 SyntacticMatches, 99 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75472 ImplicationChecksByTransitivity, 90.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 37.7s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 678 ConstructedInterpolants, 0 QuantifiedInterpolants, 2251 SizeOfPredicates, 15 NumberOfNonLiveVariables, 902 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 906/985 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] unsigned int r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L39] COND TRUE !(r >= d) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L45] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L45] COND FALSE !(counter++<2) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.91ms. Allocated memory is still 153.1MB. Free memory was 126.4MB in the beginning and 113.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.91ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 111.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.52ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 110.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 403.55ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 96.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 97304.07ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 96.0MB in the beginning and 94.6MB in the end (delta: 1.5MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 77.09ms. Allocated memory is still 186.6MB. Free memory was 94.6MB in the beginning and 91.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:45:12,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80fefb74-8a33-49f3-9018-48a2b657806a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE