./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn5f.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_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/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_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/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_463d1081-4626-4be8-8363-3beb5792fc1d/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 d9916de8363461179d8fb51bbbca62f9fac89d50ba7961a3d354541c45153780 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:32:55,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:32:55,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:32:55,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:32:55,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:32:56,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:32:56,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:32:56,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:32:56,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:32:56,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:32:56,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:32:56,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:32:56,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:32:56,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:32:56,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:32:56,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:32:56,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:32:56,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:32:56,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:32:56,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:32:56,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:32:56,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:32:56,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:32:56,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:32:56,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:32:56,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:32:56,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:32:56,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:56,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:32:56,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:32:56,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:32:56,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:32:56,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:32:56,038 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_463d1081-4626-4be8-8363-3beb5792fc1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9916de8363461179d8fb51bbbca62f9fac89d50ba7961a3d354541c45153780 [2024-11-08 22:32:56,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:32:56,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:32:56,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:32:56,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:32:56,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:32:56,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/array-fpi/eqn5f.c Unable to find full path for "g++" [2024-11-08 22:32:58,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:32:58,654 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:32:58,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/sv-benchmarks/c/array-fpi/eqn5f.c [2024-11-08 22:32:58,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/data/c1fecf94e/30e8044d67604c8684130580f463499e/FLAG0b203a5b0 [2024-11-08 22:32:59,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/data/c1fecf94e/30e8044d67604c8684130580f463499e [2024-11-08 22:32:59,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:32:59,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:32:59,048 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:59,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:32:59,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:32:59,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58736887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59, skipping insertion in model container [2024-11-08 22:32:59,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:32:59,417 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_463d1081-4626-4be8-8363-3beb5792fc1d/sv-benchmarks/c/array-fpi/eqn5f.c[588,601] [2024-11-08 22:32:59,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:59,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:32:59,477 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_463d1081-4626-4be8-8363-3beb5792fc1d/sv-benchmarks/c/array-fpi/eqn5f.c[588,601] [2024-11-08 22:32:59,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:32:59,506 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:32:59,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59 WrapperNode [2024-11-08 22:32:59,507 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:32:59,508 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:59,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:32:59,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:32:59,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,542 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2024-11-08 22:32:59,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:32:59,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:32:59,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:32:59,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:32:59,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:32:59,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:32:59,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:32:59,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:32:59,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:32:59" (1/1) ... [2024-11-08 22:32:59,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:59,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:32:59,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:32:59,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:32:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:32:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:32:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:32:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:32:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:32:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:32:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:32:59,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:32:59,771 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:00,041 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:00,042 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:00,112 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:00,113 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:33:00,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:00 BoogieIcfgContainer [2024-11-08 22:33:00,113 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:00,114 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:00,114 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:00,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:00,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-08 22:33:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-08 22:33:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:33:00,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:00,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:33:00,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:00,617 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-11-08 22:33:00,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 22:33:00,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:00,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:00,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 14 [2024-11-08 22:33:00,801 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:33:00,803 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2024-11-08 22:33:00,933 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 22:33:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-08 22:33:01,082 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-08 22:33:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:33:01,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,253 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 22:33:01,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-11-08 22:33:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-11-08 22:33:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:33:01,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,415 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 22:33:01,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-11-08 22:33:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-08 22:33:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:33:01,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-08 22:33:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-08 22:33:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:33:02,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-08 22:33:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-08 22:33:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:33:02,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:33:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2024-11-08 22:33:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2024-11-08 22:33:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:33:03,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:03,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:33:03,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:03,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 22:33:03,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:03,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2024-11-08 22:33:03,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:03,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:03,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2024-11-08 22:33:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:33:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-11-08 22:33:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-11-08 22:33:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:33:04,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:04,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:04,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:33:04,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:04,577 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-11-08 22:33:04,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 22:33:04,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:04,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:04,648 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:33:04,648 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2024-11-08 22:33:04,672 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 22:33:04,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 5 [2024-11-08 22:33:04,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 22:33:04,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:04,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2024-11-08 22:33:04,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:33:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-08 22:33:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-08 22:33:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:33:05,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2024-11-08 22:33:06,241 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-11-08 22:33:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:33:06,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2024-11-08 22:33:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2024-11-08 22:33:08,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:33:08,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:08,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2024-11-08 22:33:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2024-11-08 22:33:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:33:09,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:09,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:10,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:10,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2024-11-08 22:33:10,661 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2024-11-08 22:33:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:33:10,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:10,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-08 22:33:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-08 22:33:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:33:11,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:11,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:11,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:33:11,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:11,714 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-11-08 22:33:11,715 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 22:33:11,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:11,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:11,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-11-08 22:33:11,796 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:33:11,797 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-11-08 22:33:11,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 22:33:11,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:11,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:11,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2024-11-08 22:33:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:12,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:12,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:12,053 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-08 22:33:12,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 64 [2024-11-08 22:33:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:33:13,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:13,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2024-11-08 22:33:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2024-11-08 22:33:13,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:33:13,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:13,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:13,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:33:13,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:14,007 INFO L349 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2024-11-08 22:33:14,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 64 [2024-11-08 22:33:14,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:14,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-08 22:33:14,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2024-11-08 22:33:14,083 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:33:14,084 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-11-08 22:33:14,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-08 22:33:14,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:14,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-08 22:33:14,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 27 [2024-11-08 22:33:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:14,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:14,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 22:33:14,223 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2024-11-08 22:33:14,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 64 [2024-11-08 22:33:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:33:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2024-11-08 22:33:15,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2024-11-08 22:33:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:33:15,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:15,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:33:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:15,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:33:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:15,201 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-11-08 22:33:15,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:33:15 ImpRootNode [2024-11-08 22:33:15,246 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:33:15,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:33:15,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:33:15,247 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:33:15,248 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:00" (3/4) ... [2024-11-08 22:33:15,249 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:33:15,316 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463d1081-4626-4be8-8363-3beb5792fc1d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:33:15,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:33:15,317 INFO L158 Benchmark]: Toolchain (without parser) took 16272.87ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 117.0MB in the beginning and 121.2MB in the end (delta: -4.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,317 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:15,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.29ms. Allocated memory is still 151.0MB. Free memory was 116.5MB in the beginning and 103.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.76ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 102.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,318 INFO L158 Benchmark]: Boogie Preprocessor took 39.69ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 101.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:15,319 INFO L158 Benchmark]: RCFGBuilder took 529.41ms. Allocated memory is still 151.0MB. Free memory was 101.0MB in the beginning and 86.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,319 INFO L158 Benchmark]: CodeCheck took 15132.10ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 86.7MB in the beginning and 124.3MB in the end (delta: -37.6MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,320 INFO L158 Benchmark]: Witness Printer took 69.51ms. Allocated memory is still 220.2MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:33:15,326 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 1 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.0s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 860 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 587 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 196 mSDsCounter, 662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2693 IncrementalHoareTripleChecker+Invalid, 3355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 662 mSolverCounterUnsat, 210 mSDtfsCounter, 2693 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2168 GetRequests, 1923 SyntacticMatches, 69 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15956 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 199 ConstructedInterpolants, 16 QuantifiedInterpolants, 1741 SizeOfPredicates, 29 NumberOfNonLiveVariables, 541 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 18/54 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L31] a[0] = 1 [L32] b[0] = 1 [L33] i=1 VAL [N=2, a={-1:0}, b={-2:0}, i=1] [L33] COND FALSE !(i