./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL --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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:48,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:48,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:01:48,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:48,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:48,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:48,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:48,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:48,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:48,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:48,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:48,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:48,938 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:01:48,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:48,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:01:48,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:48,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:48,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:48,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:48,943 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:01:48,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:48,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:01:48,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:48,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:48,946 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:48,947 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:48,947 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:48,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:48,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:48,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:48,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:48,950 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:48,950 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:48,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:48,951 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:48,951 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_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2023-11-19 03:01:49,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:49,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:49,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:49,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:49,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:49,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 03:01:52,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:52,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:52,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 03:01:52,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/72ce6a0b6/0ccc4ffb6be74758b91add0302879674/FLAG7ecb26299 [2023-11-19 03:01:52,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/72ce6a0b6/0ccc4ffb6be74758b91add0302879674 [2023-11-19 03:01:52,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:52,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:52,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:52,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:52,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:52,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6646a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:52, skipping insertion in model container [2023-11-19 03:01:52,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:52" (1/1) ... [2023-11-19 03:01:52,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:53,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,098 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:53,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,142 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:53,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53 WrapperNode [2023-11-19 03:01:53,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:53,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:53,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:53,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,162 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,189 INFO L138 Inliner]: procedures = 16, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 127 [2023-11-19 03:01:53,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:53,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:53,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:53,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:53,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,207 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:53,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:53,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:53,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:53,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:53" (1/1) ... [2023-11-19 03:01:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:53,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:53,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:53,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:53,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:53,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:53,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:01:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:01:53,328 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:01:53,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:53,418 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:53,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:54,164 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:54,244 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:54,245 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:01:54,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:54 BoogieIcfgContainer [2023-11-19 03:01:54,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:54,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:54,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:54,264 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:54,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:54,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 186 states and 190 transitions. [2023-11-19 03:01:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 190 transitions. [2023-11-19 03:01:54,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:01:54,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:55,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 193 transitions. [2023-11-19 03:01:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 193 transitions. [2023-11-19 03:01:55,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:01:55,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 194 transitions. [2023-11-19 03:01:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 194 transitions. [2023-11-19 03:01:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:01:55,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:55,607 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-19 03:01:55,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 37 treesize of output 36 [2023-11-19 03:01:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:55,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2023-11-19 03:01:55,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:55,675 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2023-11-19 03:01:55,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 36 [2023-11-19 03:01:55,790 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2023-11-19 03:01:55,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 32 treesize of output 16 [2023-11-19 03:01:55,798 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 191 states and 196 transitions. [2023-11-19 03:01:55,983 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 196 transitions. [2023-11-19 03:01:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:55,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:56,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 03:01:56,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:56,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,108 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 03:01:56,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2023-11-19 03:01:56,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,149 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 03:01:56,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2023-11-19 03:01:56,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 03:01:56,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,195 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-19 03:01:56,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2023-11-19 03:01:56,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,256 INFO L349 Elim1Store]: treesize reduction 86, result has 7.5 percent of original size [2023-11-19 03:01:56,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 78 treesize of output 22 [2023-11-19 03:01:56,272 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 39 treesize of output 37 [2023-11-19 03:01:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,416 INFO L349 Elim1Store]: treesize reduction 55, result has 40.9 percent of original size [2023-11-19 03:01:56,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 93 [2023-11-19 03:01:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,521 INFO L349 Elim1Store]: treesize reduction 51, result has 46.9 percent of original size [2023-11-19 03:01:56,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 89 [2023-11-19 03:01:56,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:56,623 INFO L349 Elim1Store]: treesize reduction 49, result has 43.7 percent of original size [2023-11-19 03:01:56,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 74 [2023-11-19 03:01:56,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-19 03:01:56,838 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 [2023-11-19 03:01:56,899 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 0 case distinctions, treesize of input 14 treesize of output 11 [2023-11-19 03:01:57,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:01:57,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2023-11-19 03:01:57,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:01:57,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 46 [2023-11-19 03:01:57,261 INFO L349 Elim1Store]: treesize reduction 54, result has 49.1 percent of original size [2023-11-19 03:01:57,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 133 treesize of output 175 [2023-11-19 03:01:58,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-19 03:01:58,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-19 03:01:58,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-19 03:01:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 197 states and 203 transitions. [2023-11-19 03:01:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 203 transitions. [2023-11-19 03:01:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:59,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:59,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 03:01:59,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:01:59,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 17 [2023-11-19 03:01:59,221 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 [2023-11-19 03:01:59,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:01:59,242 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,243 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:01:59,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2023-11-19 03:01:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 03:01:59,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-19 03:01:59,299 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-19 03:01:59,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 24 treesize of output 21 [2023-11-19 03:01:59,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-19 03:01:59,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:01:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 198 states and 205 transitions. [2023-11-19 03:01:59,364 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2023-11-19 03:01:59,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:01:59,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,495 INFO L349 Elim1Store]: treesize reduction 92, result has 25.2 percent of original size [2023-11-19 03:01:59,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 114 [2023-11-19 03:01:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 62 [2023-11-19 03:01:59,528 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 [2023-11-19 03:01:59,603 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 [2023-11-19 03:01:59,621 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 [2023-11-19 03:01:59,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-19 03:01:59,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 16 [2023-11-19 03:01:59,710 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 5 treesize of output 3 [2023-11-19 03:01:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:59,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 199 states and 206 transitions. [2023-11-19 03:01:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 206 transitions. [2023-11-19 03:01:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:59,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:59,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:59,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:01:59,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:59,845 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-19 03:01:59,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 24 treesize of output 32 [2023-11-19 03:01:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2023-11-19 03:01:59,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:01:59,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:01:59,880 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,881 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 03:01:59,904 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,905 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:01:59,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:01:59,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2023-11-19 03:01:59,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:01:59,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2023-11-19 03:02:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:00,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:00,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 202 states and 211 transitions. [2023-11-19 03:02:00,593 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 211 transitions. [2023-11-19 03:02:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:02:00,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:00,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:02:00,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:00,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:00,699 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2023-11-19 03:02:00,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2023-11-19 03:02:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:00,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:00,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:00,727 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2023-11-19 03:02:00,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2023-11-19 03:02:00,744 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-19 03:02:00,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 73 [2023-11-19 03:02:01,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 210 states and 222 transitions. [2023-11-19 03:02:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-11-19 03:02:02,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:02:02,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:02,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:02,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:02:02,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:02,990 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-19 03:02:02,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 37 treesize of output 36 [2023-11-19 03:02:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,016 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2023-11-19 03:02:03,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 36 [2023-11-19 03:02:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2023-11-19 03:02:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 211 states and 224 transitions. [2023-11-19 03:02:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 224 transitions. [2023-11-19 03:02:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:02:03,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,224 INFO L349 Elim1Store]: treesize reduction 92, result has 25.2 percent of original size [2023-11-19 03:02:03,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 114 [2023-11-19 03:02:03,235 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 [2023-11-19 03:02:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2023-11-19 03:02:03,329 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 [2023-11-19 03:02:03,340 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 [2023-11-19 03:02:03,352 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 [2023-11-19 03:02:03,420 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:03,422 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 145 [2023-11-19 03:02:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,514 INFO L349 Elim1Store]: treesize reduction 27, result has 38.6 percent of original size [2023-11-19 03:02:03,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 79 treesize of output 60 [2023-11-19 03:02:03,524 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 5 treesize of output 3 [2023-11-19 03:02:03,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 212 states and 225 transitions. [2023-11-19 03:02:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 225 transitions. [2023-11-19 03:02:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:02:03,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:03,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:02:03,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:03,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:02:03,743 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:03,748 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2023-11-19 03:02:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 03:02:03,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 03:02:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 37 [2023-11-19 03:02:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-11-19 03:02:03,832 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:03,833 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2023-11-19 03:02:03,838 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 [2023-11-19 03:02:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-11-19 03:02:03,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:02:03,879 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:03,880 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2023-11-19 03:02:03,887 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 [2023-11-19 03:02:03,926 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-11-19 03:02:03,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 24 treesize of output 32 [2023-11-19 03:02:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2023-11-19 03:02:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:03,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-11-19 03:02:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 217 states and 234 transitions. [2023-11-19 03:02:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 234 transitions. [2023-11-19 03:02:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:02:04,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:04,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:04,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:02:04,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:04,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 39 [2023-11-19 03:02:04,668 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-19 03:02:04,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2023-11-19 03:02:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:04,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2023-11-19 03:02:04,677 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 42 treesize of output 38 [2023-11-19 03:02:04,681 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 [2023-11-19 03:02:04,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 44 [2023-11-19 03:02:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:04,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2023-11-19 03:02:04,711 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-19 03:02:04,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 19 [2023-11-19 03:02:04,717 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 22 [2023-11-19 03:02:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:05,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 219 states and 237 transitions. [2023-11-19 03:02:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 237 transitions. [2023-11-19 03:02:05,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:02:05,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:05,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 03:02:05,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:05,098 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-19 03:02:05,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 03:02:05,152 INFO L349 Elim1Store]: treesize reduction 119, result has 11.2 percent of original size [2023-11-19 03:02:05,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 155 treesize of output 22 [2023-11-19 03:02:05,190 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-19 03:02:05,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 03:02:05,233 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2023-11-19 03:02:05,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2 case distinctions, treesize of input 59 treesize of output 22 [2023-11-19 03:02:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:07,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 230 states and 254 transitions. [2023-11-19 03:02:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 254 transitions. [2023-11-19 03:02:07,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:02:07,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:07,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:07,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:02:07,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:07,159 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-11-19 03:02:07,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:07,203 INFO L349 Elim1Store]: treesize reduction 58, result has 30.1 percent of original size [2023-11-19 03:02:07,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 91 [2023-11-19 03:02:07,213 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 [2023-11-19 03:02:07,222 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 17 treesize of output 15 [2023-11-19 03:02:07,232 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 42 treesize of output 38 [2023-11-19 03:02:07,260 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 [2023-11-19 03:02:07,271 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 [2023-11-19 03:02:07,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 16 [2023-11-19 03:02:07,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 03:02:07,546 INFO L349 Elim1Store]: treesize reduction 193, result has 27.2 percent of original size [2023-11-19 03:02:07,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 120 treesize of output 225 [2023-11-19 03:02:07,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 38 [2023-11-19 03:02:07,607 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-19 03:02:07,690 INFO L349 Elim1Store]: treesize reduction 127, result has 12.4 percent of original size [2023-11-19 03:02:07,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 10 case distinctions, treesize of input 114 treesize of output 140 [2023-11-19 03:02:07,704 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:07,705 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2023-11-19 03:02:07,745 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 [2023-11-19 03:02:07,845 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 [2023-11-19 03:02:07,868 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 [2023-11-19 03:02:07,897 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 [2023-11-19 03:02:08,297 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 03:02:08,297 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2023-11-19 03:02:08,328 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:02:08,332 INFO L158 Benchmark]: Toolchain (without parser) took 15457.02ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 101.8MB in the beginning and 128.6MB in the end (delta: -26.8MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,332 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 64.8MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:08,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.75ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 90.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.63ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 87.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,333 INFO L158 Benchmark]: Boogie Preprocessor took 45.10ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 86.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,334 INFO L158 Benchmark]: RCFGBuilder took 1016.97ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 110.3MB in the end (delta: -23.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,334 INFO L158 Benchmark]: CodeCheck took 14077.11ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 110.3MB in the beginning and 128.6MB in the end (delta: -18.3MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. [2023-11-19 03:02:08,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 65.0MB in the beginning and 64.8MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.75ms. Allocated memory is still 146.8MB. Free memory was 101.8MB in the beginning and 90.0MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.63ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 87.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.10ms. Allocated memory is still 146.8MB. Free memory was 87.8MB in the beginning and 86.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1016.97ms. Allocated memory is still 146.8MB. Free memory was 86.4MB in the beginning and 110.3MB in the end (delta: -23.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * CodeCheck took 14077.11ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 110.3MB in the beginning and 128.6MB in the end (delta: -18.3MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:08,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL --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 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:11,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:11,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:02:11,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:11,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:11,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:11,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:11,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:11,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:11,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:11,116 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:11,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:11,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:11,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:11,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:11,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:11,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:11,120 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:11,120 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:11,121 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:11,121 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:11,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:11,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:11,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:11,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:11,124 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:11,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:11,125 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:11,126 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:11,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:11,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:11,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:11,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:11,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:11,129 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:11,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:11,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:11,130 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:11,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:11,131 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02d2a7ecaeb1f9a3fd2c207ee063800bfd7475435ba7bc7e95648b1704092bfe [2023-11-19 03:02:11,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:11,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:11,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:11,570 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:11,570 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:11,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 03:02:14,704 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:14,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:14,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/sv-benchmarks/c/recursified_nla-digbench/recursified_ps5-ll.c [2023-11-19 03:02:14,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/b24ff7fe5/bf8ad002a71046389d047029bb33bc8a/FLAGc64fa33bb [2023-11-19 03:02:14,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/data/b24ff7fe5/bf8ad002a71046389d047029bb33bc8a [2023-11-19 03:02:14,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:14,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:14,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:14,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:14,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:14,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513e5ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14, skipping insertion in model container [2023-11-19 03:02:14,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,963 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:15,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:15,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:15,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:15,222 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:15,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15 WrapperNode [2023-11-19 03:02:15,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:15,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:15,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:15,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:15,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,271 INFO L138 Inliner]: procedures = 20, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2023-11-19 03:02:15,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:15,272 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:15,272 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:15,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:15,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:15,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:15,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:15,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:15,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:15" (1/1) ... [2023-11-19 03:02:15,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:15,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:15,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:15,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20a97ae4-23fb-43d4-be81-7046bf3a0acb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:15,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:15,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 03:02:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 03:02:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 03:02:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:02:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:02:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 03:02:15,440 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:02:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_27_to_35_0 [2023-11-19 03:02:15,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:15,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:15,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation