./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc 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_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:53:55,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:53:55,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:53:55,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:53:55,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:53:55,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:53:55,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:53:55,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:53:55,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:53:55,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:53:55,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:53:55,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:53:55,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:53:55,603 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:53:55,604 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:53:55,605 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:53:55,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:53:55,606 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:53:55,606 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:53:55,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:53:55,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:53:55,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:53:55,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:53:55,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:53:55,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:53:55,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:53:55,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:53:55,620 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:53:55,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:53:55,621 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_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a [2023-11-24 22:53:55,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:53:55,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:53:55,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:53:55,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:53:55,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:53:55,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety/test-0235-1.i [2023-11-24 22:53:59,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:53:59,615 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:53:59,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/sv-benchmarks/c/memsafety/test-0235-1.i [2023-11-24 22:53:59,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/data/6aca11b9f/66489410d2364cf49e92975ef0607854/FLAG208847c27 [2023-11-24 22:53:59,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/data/6aca11b9f/66489410d2364cf49e92975ef0607854 [2023-11-24 22:53:59,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:53:59,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:53:59,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:53:59,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:53:59,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:53:59,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:59" (1/1) ... [2023-11-24 22:53:59,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bce9ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:53:59, skipping insertion in model container [2023-11-24 22:53:59,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:53:59" (1/1) ... [2023-11-24 22:53:59,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:00,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:00,263 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:00,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:00,368 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:00,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00 WrapperNode [2023-11-24 22:54:00,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:00,371 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:00,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:00,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:00,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,514 INFO L138 Inliner]: procedures = 188, calls = 69, calls flagged for inlining = 24, calls inlined = 50, statements flattened = 765 [2023-11-24 22:54:00,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:00,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:00,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:00,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:00,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:00,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:00,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:00,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:00,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:00" (1/1) ... [2023-11-24 22:54:00,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:00,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:00,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d46e8ab-26d3-44ee-a85f-d2b8ffae2e1f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:54:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:54:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:54:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:54:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:54:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:00,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:00,876 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:00,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:02,421 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:02,656 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:02,657 INFO L309 CfgBuilder]: Removed 30 assume(true) statements. [2023-11-24 22:54:02,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:02 BoogieIcfgContainer [2023-11-24 22:54:02,659 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:02,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:02,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:02,671 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:02,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:02" (1/1) ... [2023-11-24 22:54:02,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:02,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 565 states and 680 transitions. [2023-11-24 22:54:02,777 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 680 transitions. [2023-11-24 22:54:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:02,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:02,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 565 states and 679 transitions. [2023-11-24 22:54:02,973 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 679 transitions. [2023-11-24 22:54:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:54:02,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:02,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,127 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 6 treesize of output 5 [2023-11-24 22:54:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2023-11-24 22:54:03,194 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2023-11-24 22:54:03,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:54:03,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,304 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 [2023-11-24 22:54:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 563 states and 677 transitions. [2023-11-24 22:54:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 677 transitions. [2023-11-24 22:54:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:03,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2023-11-24 22:54:03,560 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2023-11-24 22:54:03,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:54:03,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,617 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 6 treesize of output 5 [2023-11-24 22:54:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 562 states and 675 transitions. [2023-11-24 22:54:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2023-11-24 22:54:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:54:03,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:03,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:03,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:54:03,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:03,767 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 1 [2023-11-24 22:54:03,853 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 15 treesize of output 11 [2023-11-24 22:54:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2023-11-24 22:54:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2023-11-24 22:54:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:54:15,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:15,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:15,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:54:15,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:15,437 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 1 [2023-11-24 22:54:15,582 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 22:54:15,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-24 22:54:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 563 states and 677 transitions. [2023-11-24 22:54:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 677 transitions. [2023-11-24 22:54:16,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:54:16,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:16,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:16,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:16,855 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 6 treesize of output 5 [2023-11-24 22:54:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 562 states and 675 transitions. [2023-11-24 22:54:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2023-11-24 22:54:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:54:16,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:16,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:16,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:16,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:17,138 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 1 [2023-11-24 22:54:17,181 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 15 treesize of output 11 [2023-11-24 22:54:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 564 states and 679 transitions. [2023-11-24 22:54:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 679 transitions. [2023-11-24 22:54:18,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:54:18,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:18,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:18,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:18,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:18,316 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 1 [2023-11-24 22:54:18,414 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 15 treesize of output 11 [2023-11-24 22:54:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:54:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 565 states and 680 transitions. [2023-11-24 22:54:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 680 transitions. [2023-11-24 22:54:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:54:19,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:19,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:19,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-24 22:54:19,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:20,313 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 1 [2023-11-24 22:54:20,403 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 15 treesize of output 11 [2023-11-24 22:54:20,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 566 states and 681 transitions. [2023-11-24 22:54:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 681 transitions. [2023-11-24 22:54:22,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:54:22,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 22:54:22,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:22,192 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 1 [2023-11-24 22:54:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:22,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 565 states and 680 transitions. [2023-11-24 22:54:22,241 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 680 transitions. [2023-11-24 22:54:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:54:22,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:22,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:22,358 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 6 treesize of output 5 [2023-11-24 22:54:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:54:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2023-11-24 22:54:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2023-11-24 22:54:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:54:22,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:22,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:22,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:54:22,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:22,619 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 1 [2023-11-24 22:54:22,725 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 15 treesize of output 11 [2023-11-24 22:54:23,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 565 states and 679 transitions. [2023-11-24 22:54:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 679 transitions. [2023-11-24 22:54:24,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:54:24,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:24,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:24,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:54:24,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:25,089 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 1 [2023-11-24 22:54:25,177 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 15 treesize of output 11 [2023-11-24 22:54:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 566 states and 680 transitions. [2023-11-24 22:54:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 680 transitions. [2023-11-24 22:54:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:54:26,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:26,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:26,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 22:54:26,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:26,263 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 1 [2023-11-24 22:54:27,087 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 15 treesize of output 11 [2023-11-24 22:54:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:54:27,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 567 states and 681 transitions. [2023-11-24 22:54:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 681 transitions. [2023-11-24 22:54:27,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:54:27,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:27,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:28,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:54:28,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:28,192 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 1 [2023-11-24 22:54:28,311 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 15 treesize of output 11 [2023-11-24 22:54:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:54:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 568 states and 682 transitions. [2023-11-24 22:54:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 682 transitions. [2023-11-24 22:54:29,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:54:29,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:29,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:29,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 22:54:29,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:29,920 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 1 [2023-11-24 22:54:31,095 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 13 treesize of output 9 [2023-11-24 22:54:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:54:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 569 states and 683 transitions. [2023-11-24 22:54:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 683 transitions. [2023-11-24 22:54:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:54:34,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:34,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:54:34,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:34,657 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 6 treesize of output 5 [2023-11-24 22:54:35,143 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:54:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 570 states and 684 transitions. [2023-11-24 22:54:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 684 transitions. [2023-11-24 22:54:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:54:37,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:37,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:38,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:54:38,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:38,848 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 1 [2023-11-24 22:54:39,025 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 13 treesize of output 9 [2023-11-24 22:54:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 572 states and 688 transitions. [2023-11-24 22:54:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 688 transitions. [2023-11-24 22:54:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:54:40,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:40,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:40,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:54:40,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:40,947 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 1 [2023-11-24 22:54:40,962 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 13 treesize of output 9 [2023-11-24 22:54:40,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:54:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 573 states and 689 transitions. [2023-11-24 22:54:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 689 transitions. [2023-11-24 22:54:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:54:41,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:42,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:54:42,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:42,156 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 1 [2023-11-24 22:54:42,177 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 13 treesize of output 9 [2023-11-24 22:54:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:54:42,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 574 states and 690 transitions. [2023-11-24 22:54:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 690 transitions. [2023-11-24 22:54:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:54:42,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:42,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:43,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-24 22:54:43,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:43,437 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 1 [2023-11-24 22:54:43,454 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 13 treesize of output 9 [2023-11-24 22:54:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:54:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 575 states and 691 transitions. [2023-11-24 22:54:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 691 transitions. [2023-11-24 22:54:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:54:44,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:44,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:44,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:54:44,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:44,404 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 1 [2023-11-24 22:54:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:54:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 574 states and 690 transitions. [2023-11-24 22:54:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 690 transitions. [2023-11-24 22:54:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:54:45,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:45,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:54:45,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:45,830 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 6 treesize of output 5 [2023-11-24 22:54:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-24 22:54:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 573 states and 688 transitions. [2023-11-24 22:54:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 688 transitions. [2023-11-24 22:54:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:54:45,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:46,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-24 22:54:46,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:47,517 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 1 [2023-11-24 22:54:47,534 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 13 treesize of output 9 [2023-11-24 22:54:47,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 576 states and 695 transitions. [2023-11-24 22:54:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 695 transitions. [2023-11-24 22:54:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:54:51,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:51,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:51,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:54:51,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:54:51,625 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 1 [2023-11-24 22:54:51,644 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 13 treesize of output 9 [2023-11-24 22:54:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.