./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3 --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 635e58724a56c62caeff3bee7749decbe4fed7f75c2f747c3a69f15f74dc7ff3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:24:34,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:24:34,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:24:34,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:24:34,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:24:34,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:24:34,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:24:34,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:24:34,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:24:34,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:24:34,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:24:34,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:24:34,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:24:34,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:24:34,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:24:34,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:24:34,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:24:34,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:24:34,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:24:34,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:24:34,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:24:34,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:34,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:24:34,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:24:34,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:24:34,914 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:24:34,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:24:34,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3 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 -> 635e58724a56c62caeff3bee7749decbe4fed7f75c2f747c3a69f15f74dc7ff3 [2024-11-25 04:24:35,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:24:35,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:24:35,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:24:35,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:24:35,240 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:24:35,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c [2024-11-25 04:24:38,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/2699f3c2f/11386e6a48154945988ba3e65bd88b59/FLAG142cd64a4 [2024-11-25 04:24:38,889 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:24:38,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c [2024-11-25 04:24:38,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/2699f3c2f/11386e6a48154945988ba3e65bd88b59/FLAG142cd64a4 [2024-11-25 04:24:38,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/2699f3c2f/11386e6a48154945988ba3e65bd88b59 [2024-11-25 04:24:38,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:24:38,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:24:38,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:38,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:24:38,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:24:38,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:38" (1/1) ... [2024-11-25 04:24:38,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad7d1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:38, skipping insertion in model container [2024-11-25 04:24:38,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:38" (1/1) ... [2024-11-25 04:24:38,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:24:39,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:39,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:24:39,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:39,293 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:24:39,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39 WrapperNode [2024-11-25 04:24:39,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:39,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:39,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:24:39,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:24:39,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,340 INFO L138 Inliner]: procedures = 16, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2024-11-25 04:24:39,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:39,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:24:39,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:24:39,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:24:39,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,363 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:24:39,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:24:39,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:24:39,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:24:39,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:39" (1/1) ... [2024-11-25 04:24:39,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:39,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:24:39,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:24:39,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-25 04:24:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:24:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:24:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:24:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:24:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:24:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:24:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:24:39,596 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:24:39,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:24:40,772 INFO L? ?]: Removed 499 outVars from TransFormulas that were not future-live. [2024-11-25 04:24:40,772 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:24:40,814 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:24:40,815 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:24:40,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:40 BoogieIcfgContainer [2024-11-25 04:24:40,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:24:40,816 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:24:40,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:24:40,827 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:24:40,827 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:40" (1/1) ... [2024-11-25 04:24:40,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:24:40,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 222 states and 226 transitions. [2024-11-25 04:24:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 226 transitions. [2024-11-25 04:24:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:24:40,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:40,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:24:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 225 states and 229 transitions. [2024-11-25 04:24:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 229 transitions. [2024-11-25 04:24:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:24:42,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:42,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:24:42,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 226 states and 230 transitions. [2024-11-25 04:24:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 230 transitions. [2024-11-25 04:24:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:24:42,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:42,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:42,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 04:24:42,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:42,905 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2024-11-25 04:24:42,907 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 [2024-11-25 04:24:42,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:24:42,935 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 [2024-11-25 04:24:42,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:24:42,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:24:42,990 INFO L349 Elim1Store]: treesize reduction 36, result has 25.0 percent of original size [2024-11-25 04:24:42,991 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 [2024-11-25 04:24:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:24:43,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 227 states and 231 transitions. [2024-11-25 04:24:43,207 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 231 transitions. [2024-11-25 04:24:43,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:24:43,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:43,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:24:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:43,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:24:43,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:43,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:24:45,318 INFO L349 Elim1Store]: treesize reduction 509, result has 32.8 percent of original size [2024-11-25 04:24:45,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 29 case distinctions, treesize of input 1570 treesize of output 1402 [2024-11-25 04:24:45,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2024-11-25 04:24:45,886 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 [2024-11-25 04:24:46,123 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 [2024-11-25 04:24:46,937 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:46,940 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2024-11-25 04:24:47,279 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:47,282 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2024-11-25 04:24:49,341 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:49,346 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 609 [2024-11-25 04:24:50,153 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:50,167 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1284 [2024-11-25 04:24:56,289 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:56,292 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 876 [2024-11-25 04:24:58,008 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:24:58,015 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1640 [2024-11-25 04:25:01,585 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:01,586 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 308 [2024-11-25 04:25:01,730 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:01,736 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1633 [2024-11-25 04:25:04,684 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:04,692 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1405 [2024-11-25 04:25:06,664 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:06,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2024-11-25 04:25:07,864 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:07,868 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1456 [2024-11-25 04:25:09,981 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:09,995 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2230 [2024-11-25 04:25:11,743 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:11,745 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2024-11-25 04:25:11,895 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:11,904 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2598 [2024-11-25 04:25:22,992 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:22,993 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 600 [2024-11-25 04:25:24,742 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:24,744 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 781 [2024-11-25 04:25:25,580 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 23172 treesize of output 22834 [2024-11-25 04:25:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:34,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:34,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:34,459 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:34,466 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:34,472 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:34,516 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-25 04:25:34,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 1906 treesize of output 1783 [2024-11-25 04:25:36,456 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:36,458 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,474 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,475 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,483 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,485 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,486 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1165 treesize of output 1060 [2024-11-25 04:25:36,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:36,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:36,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,772 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,774 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,780 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:36,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2024-11-25 04:25:37,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:37,895 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:37,903 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:37,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 718 treesize of output 663 [2024-11-25 04:25:40,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:40,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:40,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:40,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:40,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:40,784 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:40,797 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:40,823 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-25 04:25:40,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1233 treesize of output 1202 [2024-11-25 04:25:41,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:41,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:41,445 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:41,575 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:41,579 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:41,585 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:41,733 INFO L349 Elim1Store]: treesize reduction 25, result has 24.2 percent of original size [2024-11-25 04:25:41,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 4977 treesize of output 4726 [2024-11-25 04:25:43,255 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:43,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:25:43,271 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:43,284 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:25:43,397 INFO L349 Elim1Store]: treesize reduction 80, result has 27.9 percent of original size [2024-11-25 04:25:43,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 14 case distinctions, treesize of input 1480 treesize of output 1444 [2024-11-25 04:25:43,996 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:43,997 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2024-11-25 04:25:46,353 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:46,354 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2024-11-25 04:25:46,446 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:46,448 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 597 [2024-11-25 04:25:46,881 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:46,882 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2024-11-25 04:25:47,065 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:47,067 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2024-11-25 04:25:47,166 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:47,167 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2024-11-25 04:25:47,258 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:47,261 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 739 [2024-11-25 04:25:48,259 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:25:48,355 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19795 [2024-11-25 04:27:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,279 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 50 treesize of output 33 [2024-11-25 04:27:13,283 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 [2024-11-25 04:27:13,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,309 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 49 treesize of output 32 [2024-11-25 04:27:13,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:27:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27 [2024-11-25 04:27:13,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:27:13,336 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:27:13,338 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 04:27:13,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,346 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 44 treesize of output 27 [2024-11-25 04:27:13,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,352 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 [2024-11-25 04:27:13,369 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 701 treesize of output 687 [2024-11-25 04:27:13,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,472 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 [2024-11-25 04:27:13,567 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 1042 treesize of output 1024 [2024-11-25 04:27:13,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,825 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-11-25 04:27:13,826 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 378 treesize of output 333 [2024-11-25 04:27:13,838 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 224 treesize of output 208 [2024-11-25 04:27:13,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,940 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 59 treesize of output 40 [2024-11-25 04:27:13,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,950 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 62 treesize of output 41 [2024-11-25 04:27:13,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:13,976 INFO L349 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2024-11-25 04:27:13,977 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 389 treesize of output 332 [2024-11-25 04:27:13,985 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 208 [2024-11-25 04:27:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 79 [2024-11-25 04:27:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2024-11-25 04:27:14,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2024-11-25 04:27:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2024-11-25 04:27:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 91 [2024-11-25 04:27:14,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 1 [2024-11-25 04:27:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:27:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 233 states and 240 transitions. [2024-11-25 04:27:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 240 transitions. [2024-11-25 04:27:14,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:27:14,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:14,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:27:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:27:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:14,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:27:14,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:14,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:14,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:15,020 INFO L349 Elim1Store]: treesize reduction 173, result has 29.4 percent of original size [2024-11-25 04:27:15,020 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 110 treesize of output 215 [2024-11-25 04:27:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:15,067 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:27:15,149 INFO L349 Elim1Store]: treesize reduction 127, result has 12.4 percent of original size [2024-11-25 04:27:15,150 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 104 treesize of output 130 [2024-11-25 04:27:15,157 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:27:15,158 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2024-11-25 04:27:15,186 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 34 treesize of output 32 [2024-11-25 04:27:15,238 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 [2024-11-25 04:27:15,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:27:15,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:27:15,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:27:15,680 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:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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) [2024-11-25 04:27:15,686 INFO L158 Benchmark]: Toolchain (without parser) took 156749.00ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 92.3MB in the beginning and 304.0MB in the end (delta: -211.7MB). Peak memory consumption was 366.2MB. Max. memory is 16.1GB. [2024-11-25 04:27:15,686 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:27:15,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.55ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:27:15,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:27:15,687 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:27:15,688 INFO L158 Benchmark]: RCFGBuilder took 1432.57ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 84.3MB in the end (delta: -7.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2024-11-25 04:27:15,688 INFO L158 Benchmark]: CodeCheck took 154868.79ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 84.3MB in the beginning and 304.0MB in the end (delta: -219.8MB). Peak memory consumption was 361.3MB. Max. memory is 16.1GB. [2024-11-25 04:27:15,690 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:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.55ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.2MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1432.57ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 84.3MB in the end (delta: -7.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * CodeCheck took 154868.79ms. Allocated memory was 117.4MB in the beginning and 696.3MB in the end (delta: 578.8MB). Free memory was 84.3MB in the beginning and 304.0MB in the end (delta: -219.8MB). Peak memory consumption was 361.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:27:15,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3 --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 635e58724a56c62caeff3bee7749decbe4fed7f75c2f747c3a69f15f74dc7ff3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:27:18,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:27:18,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:27:18,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:27:18,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:27:18,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:27:18,720 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:27:18,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:27:18,721 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:27:18,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:27:18,723 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:27:18,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:27:18,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:27:18,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:27:18,726 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:27:18,726 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:27:18,726 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:27:18,727 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:27:18,727 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:18,727 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:27:18,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3 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 -> 635e58724a56c62caeff3bee7749decbe4fed7f75c2f747c3a69f15f74dc7ff3 [2024-11-25 04:27:19,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:27:19,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:27:19,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:27:19,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:27:19,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:27:19,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c [2024-11-25 04:27:22,215 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/54334978b/dc2f761a757847bb8f3241c53793c7ce/FLAGcb958e1f5 [2024-11-25 04:27:22,492 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:27:22,493 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/sv-benchmarks/c/recursified_nla-digbench/recursified_ps6.c [2024-11-25 04:27:22,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/54334978b/dc2f761a757847bb8f3241c53793c7ce/FLAGcb958e1f5 [2024-11-25 04:27:22,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/data/54334978b/dc2f761a757847bb8f3241c53793c7ce [2024-11-25 04:27:22,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:27:22,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:27:22,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:27:22,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:27:22,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:27:22,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:22,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0fbdc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22, skipping insertion in model container [2024-11-25 04:27:22,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:22,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:27:22,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:27:22,858 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:27:22,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:27:22,912 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:27:22,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22 WrapperNode [2024-11-25 04:27:22,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:27:22,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:27:22,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:27:22,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:27:22,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:22,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:22,975 INFO L138 Inliner]: procedures = 18, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 142 [2024-11-25 04:27:22,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:27:22,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:27:22,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:27:22,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:27:22,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:22,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,032 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,040 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:27:23,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:27:23,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:27:23,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:27:23,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:27:22" (1/1) ... [2024-11-25 04:27:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:27:23,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:27:23,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:27:23,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:27:23,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:27:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_25_to_33_0 [2024-11-25 04:27:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_25_to_33_0 [2024-11-25 04:27:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:27:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:27:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:27:23,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:27:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:27:23,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:27:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:27:23,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:27:23,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:27:23,227 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:27:23,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:27:53,761 INFO L? ?]: Removed 497 outVars from TransFormulas that were not future-live. [2024-11-25 04:27:53,762 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:27:53,808 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:27:53,808 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:27:53,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:27:53 BoogieIcfgContainer [2024-11-25 04:27:53,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:27:53,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:27:53,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:27:53,821 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:27:53,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:27:53" (1/1) ... [2024-11-25 04:27:53,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:27:53,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 222 states and 226 transitions. [2024-11-25 04:27:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 226 transitions. [2024-11-25 04:27:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:27:53,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:53,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:53,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:53,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:53,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:27:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:54,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:54,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:27:54,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:54,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:54,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:54,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:57,068 INFO L349 Elim1Store]: treesize reduction 193, result has 31.8 percent of original size [2024-11-25 04:27:57,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 322 treesize of output 384 [2024-11-25 04:27:57,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:27:58,223 INFO L224 Elim1Store]: Index analysis took 1018 ms [2024-11-25 04:27:58,857 INFO L349 Elim1Store]: treesize reduction 171, result has 9.0 percent of original size [2024-11-25 04:27:58,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 11 case distinctions, treesize of input 121 treesize of output 125 [2024-11-25 04:27:59,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:27:59,173 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 103 treesize of output 109 [2024-11-25 04:28:01,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:01,518 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 25 treesize of output 22 [2024-11-25 04:28:02,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:02,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:02,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:02,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:03,280 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:03,282 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2024-11-25 04:28:03,480 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-25 04:28:04,337 INFO L349 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2024-11-25 04:28:04,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 124 treesize of output 114 [2024-11-25 04:28:05,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:28:05,572 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-25 04:28:05,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 11 [2024-11-25 04:28:05,988 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:28:06,016 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-25 04:28:06,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 11 [2024-11-25 04:28:06,607 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:06,608 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:28:07,048 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:07,053 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 395 [2024-11-25 04:28:10,445 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:10,447 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 283 [2024-11-25 04:28:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:11,167 INFO L349 Elim1Store]: treesize reduction 45, result has 35.7 percent of original size [2024-11-25 04:28:11,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 286 treesize of output 269 [2024-11-25 04:28:12,165 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:12,166 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2024-11-25 04:28:12,242 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:12,243 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2024-11-25 04:28:12,419 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:12,420 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2024-11-25 04:28:12,726 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:12,727 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2024-11-25 04:28:13,575 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:13,576 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2024-11-25 04:28:14,314 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:14,316 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2024-11-25 04:28:14,414 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:14,426 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1489 [2024-11-25 04:28:21,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:28:21,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:28:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 225 states and 230 transitions. [2024-11-25 04:28:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 230 transitions. [2024-11-25 04:28:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:28:22,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:22,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:22,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:22,250 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:22,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:28:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:22,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:22,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:28:22,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:22,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,470 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 [2024-11-25 04:28:22,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,536 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 [2024-11-25 04:28:22,546 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:22,547 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2024-11-25 04:28:22,566 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 [2024-11-25 04:28:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,700 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 [2024-11-25 04:28:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,742 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 [2024-11-25 04:28:22,756 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 [2024-11-25 04:28:22,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:22,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,830 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 [2024-11-25 04:28:22,840 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:22,840 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-25 04:28:22,846 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:28:22,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:28:22,872 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-25 04:28:22,872 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 [2024-11-25 04:28:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:22,906 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 [2024-11-25 04:28:22,941 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 [2024-11-25 04:28:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:28:23,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 04:28:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:28:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 226 states and 231 transitions. [2024-11-25 04:28:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 231 transitions. [2024-11-25 04:28:23,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:28:23,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:28:23,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:28:23,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:28:23,543 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:28:23,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:28:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:23,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:28:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:28:23,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:28:23,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:28:24,027 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2024-11-25 04:28:24,027 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 65 treesize of output 40 [2024-11-25 04:28:24,056 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 26 treesize of output 24 [2024-11-25 04:28:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:28:24,642 INFO L349 Elim1Store]: treesize reduction 133, result has 29.6 percent of original size [2024-11-25 04:28:24,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 59 treesize of output 119 [2024-11-25 04:28:24,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:24,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:28:24,995 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 [2024-11-25 04:28:25,180 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 23 treesize of output 11 [2024-11-25 04:28:25,300 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:25,301 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2024-11-25 04:28:25,346 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:25,347 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2024-11-25 04:28:25,412 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:28:25,412 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2024-11-25 04:29:07,746 WARN L286 SmtUtils]: Spent 10.30s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:29:23,135 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:29:23,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 340 treesize of output 368 [2024-11-25 04:29:23,634 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 16 treesize of output 10 [2024-11-25 04:29:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:29:23,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:42,568 WARN L286 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:30:03,372 WARN L286 SmtUtils]: Spent 10.64s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:30:24,025 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:30:46,324 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:31:07,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:31:36,222 WARN L286 SmtUtils]: Spent 18.37s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:31:46,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:31:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 229 states and 237 transitions. [2024-11-25 04:31:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 237 transitions. [2024-11-25 04:31:46,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:31:46,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:46,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:46,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:46,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:46,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:31:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:46,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:46,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:31:46,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:47,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,011 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 [2024-11-25 04:31:47,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,070 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 [2024-11-25 04:31:47,087 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 [2024-11-25 04:31:47,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2024-11-25 04:31:47,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,161 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 [2024-11-25 04:31:47,169 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:31:47,170 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2024-11-25 04:31:47,177 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-25 04:31:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,223 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 [2024-11-25 04:31:47,227 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:31:47,228 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-25 04:31:47,252 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-25 04:31:47,252 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 [2024-11-25 04:31:47,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,307 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 [2024-11-25 04:31:47,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 04:31:47,337 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 [2024-11-25 04:31:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:47,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:32:01,650 WARN L286 SmtUtils]: Spent 13.80s on a formula simplification. DAG size of input: 51 DAG size of output: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:32:16,088 WARN L286 SmtUtils]: Spent 12.48s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:32:26,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:32:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:32:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 230 states and 238 transitions. [2024-11-25 04:32:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 238 transitions. [2024-11-25 04:32:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 04:32:26,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:32:26,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:32:26,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:32:26,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:32:26,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9b5463a-699e-4dd7-8302-78fd3b01a662/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process