./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0237.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_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/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_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0237.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/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_eb405796-dcbf-424c-90ef-9cdd0864b603/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 59c31190ccc8063bc9e40e87ef868627685497d396c28c826c00fa8abad7dfea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:08,926 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:09,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:00:09,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:09,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:09,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:09,100 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:09,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:09,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:09,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:09,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:09,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:09,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:09,110 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:00:09,111 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:00:09,111 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:00:09,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:09,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:09,113 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:09,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:09,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:09,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:09,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:09,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:09,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:09,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:09,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:09,118 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:09,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:09,119 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_eb405796-dcbf-424c-90ef-9cdd0864b603/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59c31190ccc8063bc9e40e87ef868627685497d396c28c826c00fa8abad7dfea [2023-11-24 23:00:09,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:09,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:09,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:09,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:09,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:09,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/memsafety/test-0237.i [2023-11-24 23:00:12,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:12,859 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:12,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/sv-benchmarks/c/memsafety/test-0237.i [2023-11-24 23:00:12,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/data/21427cfc3/4200bac14f39486cb0687b4b26da6892/FLAG265b2b347 [2023-11-24 23:00:12,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/data/21427cfc3/4200bac14f39486cb0687b4b26da6892 [2023-11-24 23:00:12,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:12,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:12,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:12,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:12,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:12,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:12" (1/1) ... [2023-11-24 23:00:12,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c40e885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:12, skipping insertion in model container [2023-11-24 23:00:12,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:12" (1/1) ... [2023-11-24 23:00:13,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:13,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:13,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:13,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:13,555 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:13,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13 WrapperNode [2023-11-24 23:00:13,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:13,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:13,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:13,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:13,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,669 INFO L138 Inliner]: procedures = 188, calls = 66, calls flagged for inlining = 20, calls inlined = 30, statements flattened = 331 [2023-11-24 23:00:13,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:13,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:13,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:13,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:13,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,729 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:13,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:13,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:13,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:13,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:13" (1/1) ... [2023-11-24 23:00:13,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:13,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:13,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:13,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb405796-dcbf-424c-90ef-9cdd0864b603/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:00:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:00:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:00:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:00:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:14,034 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:14,036 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:14,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:15,049 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:15,058 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-24 23:00:15,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:15 BoogieIcfgContainer [2023-11-24 23:00:15,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:15,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:15,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:15,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:15,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:15" (1/1) ... [2023-11-24 23:00:15,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 189 states and 214 transitions. [2023-11-24 23:00:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 214 transitions. [2023-11-24 23:00:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:00:15,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:00:15,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:15,349 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 23:00:15,361 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 23:00:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 188 states and 212 transitions. [2023-11-24 23:00:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 212 transitions. [2023-11-24 23:00:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:00:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:00:15,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:15,537 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 23:00:15,601 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 23:00:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 187 states and 211 transitions. [2023-11-24 23:00:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 211 transitions. [2023-11-24 23:00:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:15,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:15,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:15,861 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 23:00:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 187 states and 210 transitions. [2023-11-24 23:00:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions. [2023-11-24 23:00:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:00:15,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:15,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:00:15,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:15,964 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 23:00:15,967 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 23:00:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 186 states and 209 transitions. [2023-11-24 23:00:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2023-11-24 23:00:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:00:15,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:15,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:16,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 23:00:16,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:16,222 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 23:00:16,343 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 23:00:26,431 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 23:00:27,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 187 states and 210 transitions. [2023-11-24 23:00:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions. [2023-11-24 23:00:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:00:27,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:27,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:27,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:00:27,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:27,181 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 23:00:27,254 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 23:00:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 186 states and 209 transitions. [2023-11-24 23:00:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2023-11-24 23:00:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:00:27,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:27,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:27,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:00:27,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:27,637 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 23:00:27,640 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 23:00:27,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:27,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 185 states and 207 transitions. [2023-11-24 23:00:27,662 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 207 transitions. [2023-11-24 23:00:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:00:27,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:27,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:27,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:00:27,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:27,847 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 23:00:27,952 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 23:00:28,048 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 23:00:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 186 states and 208 transitions. [2023-11-24 23:00:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 208 transitions. [2023-11-24 23:00:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:00:29,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:29,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:00:29,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:29,160 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 23:00:39,319 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 23:00:39,496 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 23:00:49,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-24 23:00:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 187 states and 210 transitions. [2023-11-24 23:00:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions. [2023-11-24 23:00:50,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:00:50,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:50,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:50,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:00:50,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:50,175 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 23:00:50,498 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-24 23:00:50,499 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 23:00:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 187 states and 211 transitions. [2023-11-24 23:00:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 211 transitions. [2023-11-24 23:00:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:53,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:53,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:53,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:00:53,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:53,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 187 states and 210 transitions. [2023-11-24 23:00:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 210 transitions. [2023-11-24 23:00:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:00:53,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:53,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:00:53,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:53,753 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 23:00:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:00:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 186 states and 209 transitions. [2023-11-24 23:00:53,780 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 209 transitions. [2023-11-24 23:00:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:00:53,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:53,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:00:53,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:54,417 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 23:01:05,150 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 23:01:05,179 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 23:01:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 188 states and 213 transitions. [2023-11-24 23:01:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 213 transitions. [2023-11-24 23:01:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:01:18,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,209 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 23:01:18,231 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 23:01:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:01:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 187 states and 212 transitions. [2023-11-24 23:01:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 212 transitions. [2023-11-24 23:01:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:18,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:01:18,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 187 states and 211 transitions. [2023-11-24 23:01:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 211 transitions. [2023-11-24 23:01:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:01:18,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,539 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 23:01:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 23:01:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 186 states and 210 transitions. [2023-11-24 23:01:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 210 transitions. [2023-11-24 23:01:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:01:18,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:01:18,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:01:18,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:01:18,795 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 23:01:19,012 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