./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:30,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:30,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:30,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:30,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:30,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:30,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:30,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:30,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:30,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:30,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:30,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:30,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:30,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:30,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:30,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:30,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:30,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:30,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:30,672 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:30,679 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:30,680 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:30,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:30,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:30,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:30,682 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:30,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:30,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:30,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:30,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:30,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:30,684 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:30,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:30,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:30,685 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_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2023-11-11 23:55:30,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:31,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:31,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:31,017 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:31,018 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:31,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2023-11-11 23:55:34,311 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:34,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:34,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2023-11-11 23:55:34,681 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/data/c655d38d2/9b5c2feac07c45e5b3b663bdb36e3351/FLAGbc68d33a4 [2023-11-11 23:55:34,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/data/c655d38d2/9b5c2feac07c45e5b3b663bdb36e3351 [2023-11-11 23:55:34,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:34,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:34,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:34,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:34,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:34,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1357df4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34, skipping insertion in model container [2023-11-11 23:55:34,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:35,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:35,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:35,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:35,435 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:35,441 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:35,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35 WrapperNode [2023-11-11 23:55:35,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:35,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:35,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:35,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:35,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,502 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 52 [2023-11-11 23:55:35,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:35,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:35,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:35,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:35,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:35,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:35,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:35,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:35,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:35,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:35,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:35,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:35,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-11 23:55:35,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-11 23:55:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:55:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:55:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:55:35,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:55:35,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:35,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:35,735 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:35,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:35,899 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:35,968 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:35,969 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:55:35,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35 BoogieIcfgContainer [2023-11-11 23:55:35,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:35,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:35,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:35,984 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:35,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-11 23:55:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:55:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:55:36,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2023-11-11 23:55:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2023-11-11 23:55:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:55:36,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2023-11-11 23:55:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2023-11-11 23:55:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:55:36,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2023-11-11 23:55:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2023-11-11 23:55:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:55:37,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2023-11-11 23:55:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2023-11-11 23:55:37,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:55:37,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-11 23:55:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-11 23:55:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:37,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:37,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-11-11 23:55:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-11 23:55:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:37,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2023-11-11 23:55:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-11 23:55:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:55:37,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2023-11-11 23:55:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2023-11-11 23:55:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:55:38,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2023-11-11 23:55:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-11-11 23:55:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:55:38,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-11 23:55:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-11 23:55:38,572 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-11 23:55:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:55:38,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2023-11-11 23:55:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2023-11-11 23:55:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:55:38,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 53 transitions. [2023-11-11 23:55:39,177 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-11 23:55:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:55:39,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 62 transitions. [2023-11-11 23:55:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-11 23:55:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:55:39,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-11 23:55:39,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 65 transitions. [2023-11-11 23:55:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-11 23:55:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:55:39,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:40,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:40,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 70 transitions. [2023-11-11 23:55:40,399 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-11 23:55:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-11 23:55:40,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:40,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:55:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 79 transitions. [2023-11-11 23:55:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2023-11-11 23:55:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-11 23:55:41,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:41,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:41,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:55:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 84 transitions. [2023-11-11 23:55:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-11 23:55:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-11 23:55:41,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-11 23:55:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 93 transitions. [2023-11-11 23:55:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-11 23:55:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-11 23:55:42,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:42,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-11 23:55:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 98 transitions. [2023-11-11 23:55:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2023-11-11 23:55:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:55:43,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-11 23:55:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 83 states and 107 transitions. [2023-11-11 23:55:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2023-11-11 23:55:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-11 23:55:43,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-11 23:55:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:44,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 88 states and 112 transitions. [2023-11-11 23:55:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 112 transitions. [2023-11-11 23:55:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-11 23:55:44,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:44,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-11 23:55:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:45,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 121 transitions. [2023-11-11 23:55:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-11 23:55:45,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-11 23:55:45,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:45,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-11 23:55:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 99 states and 126 transitions. [2023-11-11 23:55:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2023-11-11 23:55:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-11 23:55:46,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:46,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-11 23:55:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 135 transitions. [2023-11-11 23:55:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2023-11-11 23:55:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-11 23:55:47,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:47,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-11 23:55:48,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:48,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 110 states and 140 transitions. [2023-11-11 23:55:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2023-11-11 23:55:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-11 23:55:48,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:48,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-11 23:55:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 116 states and 149 transitions. [2023-11-11 23:55:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 149 transitions. [2023-11-11 23:55:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-11 23:55:49,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:49,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-11 23:55:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:51,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 121 states and 154 transitions. [2023-11-11 23:55:51,319 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2023-11-11 23:55:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-11 23:55:51,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:51,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:51,940 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-11 23:55:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:52,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 163 transitions. [2023-11-11 23:55:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2023-11-11 23:55:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-11 23:55:52,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:52,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-11 23:55:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 132 states and 168 transitions. [2023-11-11 23:55:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2023-11-11 23:55:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-11 23:55:53,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:53,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-11 23:56:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:56:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 117 states and 148 transitions. [2023-11-11 23:56:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2023-11-11 23:56:07,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:56:07,860 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2023-11-11 23:56:07,871 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:56:08,215 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:56:08,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:56:08,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:56:08,219 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:56:08,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:56:08 ImpRootNode [2023-11-11 23:56:08,220 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:56:08,221 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:56:08,221 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:56:08,221 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:56:08,222 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (3/4) ... [2023-11-11 23:56:08,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:56:08,229 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-11 23:56:08,234 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-11 23:56:08,235 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:56:08,235 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:56:08,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:56:08,340 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:56:08,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:56:08,342 INFO L158 Benchmark]: Toolchain (without parser) took 33621.67ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 146.3MB in the beginning and 193.9MB in the end (delta: -47.6MB). Peak memory consumption was 158.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,342 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:08,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.47ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 124.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.55ms. Allocated memory is still 188.7MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,344 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 188.7MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,345 INFO L158 Benchmark]: RCFGBuilder took 433.38ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 106.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,345 INFO L158 Benchmark]: CodeCheck took 32247.65ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 106.5MB in the beginning and 198.1MB in the end (delta: -91.6MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,346 INFO L158 Benchmark]: Witness Printer took 119.83ms. Allocated memory is still 394.3MB. Free memory was 198.1MB in the beginning and 193.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:56:08,349 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 31.9s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2744 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1981 mSDsluCounter, 2490 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1644 mSDsCounter, 2279 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6920 IncrementalHoareTripleChecker+Invalid, 9199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2279 mSolverCounterUnsat, 846 mSDtfsCounter, 6920 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8998 GetRequests, 8178 SyntacticMatches, 512 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41632 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 3124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 1364/3333 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 - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 138.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.47ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 124.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.55ms. Allocated memory is still 188.7MB. Free memory was 124.5MB in the beginning and 122.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 188.7MB. Free memory was 122.4MB in the beginning and 121.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.38ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 106.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 32247.65ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 106.5MB in the beginning and 198.1MB in the end (delta: -91.6MB). Peak memory consumption was 114.7MB. Max. memory is 16.1GB. * Witness Printer took 119.83ms. Allocated memory is still 394.3MB. Free memory was 198.1MB in the beginning and 193.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:56:08,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97104fd8-8935-4377-a4cb-896f78bfc496/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE