./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9 --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 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:51:49,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:51:49,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:51:49,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:51:49,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:51:49,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:51:49,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:51:49,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:51:49,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:51:49,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:51:49,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:51:49,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:51:49,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:51:49,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:51:49,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:51:49,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:51:49,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:51:49,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:51:49,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:51:49,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:51:49,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:51:49,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:51:49,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:51:49,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:51:49,399 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:51:49,400 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:51:49,400 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:51:49,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:51:49,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:49,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:51:49,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:51:49,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:51:49,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:51:49,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:51:49,403 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:51:49,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79769f30a585389c0c487adad51d510f66c0d5e44d42ecf952985ceac89e1c25 [2023-12-02 21:51:49,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:51:49,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:51:49,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:51:49,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:51:49,684 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:51:49,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2023-12-02 21:51:52,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:51:52,862 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:51:52,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/sv-benchmarks/c/recursified_nla-digbench/recursified_geo1-ll.c [2023-12-02 21:51:52,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/data/dce71664a/3bdb8de4c1904ccaad7741f3c0251987/FLAG5b5249dcf [2023-12-02 21:51:52,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/data/dce71664a/3bdb8de4c1904ccaad7741f3c0251987 [2023-12-02 21:51:52,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:51:52,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:51:52,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:52,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:51:52,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:51:52,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:52" (1/1) ... [2023-12-02 21:51:52,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff7e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:52, skipping insertion in model container [2023-12-02 21:51:52,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:51:52" (1/1) ... [2023-12-02 21:51:52,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:51:53,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:53,128 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:51:53,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:51:53,165 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:51:53,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53 WrapperNode [2023-12-02 21:51:53,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:51:53,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:53,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:51:53,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:51:53,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,187 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,209 INFO L138 Inliner]: procedures = 16, calls = 56, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-12-02 21:51:53,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:51:53,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:51:53,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:51:53,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:51:53,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:51:53,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:51:53,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:51:53,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:51:53,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:51:53,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:51:53,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:51:53,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1201483-c713-438e-9723-010c7fa9a6c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:51:53,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:51:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:51:53,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:51:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:51:53,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:51:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:51:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_30_to_38_0 [2023-12-02 21:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_30_to_38_0 [2023-12-02 21:51:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:51:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:51:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:51:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:51:53,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:51:53,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:51:53,422 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:51:53,425 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:51:53,740 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:51:53,806 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:51:53,807 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:51:53,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:53 BoogieIcfgContainer [2023-12-02 21:51:53,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:51:53,810 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:51:53,810 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:51:53,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:51:53,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:51:53" (1/1) ... [2023-12-02 21:51:53,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:51:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2023-12-02 21:51:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-12-02 21:51:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:51:53,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:54,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:51:54,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:54,231 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-02 21:51:54,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-12-02 21:51:54,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-02 21:51:54,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:51:54,580 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 68 [2023-12-02 21:51:54,593 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:51:54,595 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2023-12-02 21:51:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:51:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:51:54,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:51:54,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2023-12-02 21:51:54,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:51:54,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2023-12-02 21:51:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:51:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:55,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 78 transitions. [2023-12-02 21:51:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 78 transitions. [2023-12-02 21:51:55,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:51:55,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:55,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 54 conjunts are in the unsatisfiable core [2023-12-02 21:51:55,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:55,435 INFO L349 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2023-12-02 21:51:55,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 61 treesize of output 53 [2023-12-02 21:51:55,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-02 21:51:55,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 21:51:55,990 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 68 [2023-12-02 21:51:56,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 48 treesize of output 58 [2023-12-02 21:51:56,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 24 [2023-12-02 21:51:56,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:51:56,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 29 treesize of output 13 [2023-12-02 21:51:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:51:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:58,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 85 transitions. [2023-12-02 21:51:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2023-12-02 21:51:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:51:58,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:58,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:58,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:51:58,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:58,737 INFO L349 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2023-12-02 21:51:58,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 170 treesize of output 165 [2023-12-02 21:51:58,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 16 treesize of output 16 [2023-12-02 21:51:58,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-12-02 21:51:59,405 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 70 [2023-12-02 21:51:59,420 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 48 treesize of output 58 [2023-12-02 21:51:59,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 35 [2023-12-02 21:51:59,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:51:59,462 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 37 treesize of output 27 [2023-12-02 21:51:59,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 27 [2023-12-02 21:52:00,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 31 treesize of output 15 [2023-12-02 21:52:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:52:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:02,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 80 states and 92 transitions. [2023-12-02 21:52:02,822 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2023-12-02 21:52:02,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:52:02,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:02,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:02,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:52:02,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:02,909 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 120 treesize of output 116 [2023-12-02 21:52:03,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 51 [2023-12-02 21:52:03,048 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:03,049 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2023-12-02 21:52:03,051 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:52:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:03,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 14 [2023-12-02 21:52:03,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2023-12-02 21:52:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:03,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 1 [2023-12-02 21:52:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:03,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 1 [2023-12-02 21:52:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:52:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 81 states and 94 transitions. [2023-12-02 21:52:04,249 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2023-12-02 21:52:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:52:04,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:04,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:04,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-02 21:52:04,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:04,408 INFO L349 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2023-12-02 21:52:04,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 820 treesize of output 792 [2023-12-02 21:52:04,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-02 21:52:04,492 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 16 treesize of output 11 [2023-12-02 21:52:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:05,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 35 [2023-12-02 21:52:06,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 22 [2023-12-02 21:52:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:14,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 88 states and 110 transitions. [2023-12-02 21:52:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2023-12-02 21:52:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:52:14,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:14,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:52:14,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:14,953 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2023-12-02 21:52:14,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2909 treesize of output 2881 [2023-12-02 21:52:14,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-12-02 21:52:14,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:52:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:15,613 INFO L349 Elim1Store]: treesize reduction 91, result has 31.6 percent of original size [2023-12-02 21:52:15,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 61 treesize of output 116 [2023-12-02 21:52:15,630 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 12 treesize of output 1 [2023-12-02 21:52:15,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2023-12-02 21:52:15,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:15,672 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 12 treesize of output 1 [2023-12-02 21:52:15,697 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 21:52:15,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2023-12-02 21:52:15,744 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2023-12-02 21:52:15,744 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 3 case distinctions, treesize of input 64 treesize of output 44 [2023-12-02 21:52:15,749 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 9 treesize of output 7 [2023-12-02 21:52:15,780 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:15,781 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2023-12-02 21:52:16,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 21:52:16,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:52:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:17,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 115 transitions. [2023-12-02 21:52:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2023-12-02 21:52:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:52:17,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:17,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:17,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:52:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 91 states and 117 transitions. [2023-12-02 21:52:18,759 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2023-12-02 21:52:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:52:18,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:18,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:52:18,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:18,824 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 14 treesize of output 12 [2023-12-02 21:52:19,406 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:52:19,454 INFO L349 Elim1Store]: treesize reduction 61, result has 37.1 percent of original size [2023-12-02 21:52:19,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 86 [2023-12-02 21:52:19,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:52:19,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:52:19,513 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-02 21:52:19,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 22 [2023-12-02 21:52:19,541 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:19,542 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2023-12-02 21:52:19,577 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 53 [2023-12-02 21:52:19,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:19,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:19,840 INFO L349 Elim1Store]: treesize reduction 300, result has 20.4 percent of original size [2023-12-02 21:52:19,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 145 treesize of output 321 [2023-12-02 21:52:19,879 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 19 [2023-12-02 21:52:19,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2023-12-02 21:52:19,978 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:52:19,980 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2023-12-02 21:52:20,011 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 47 [2023-12-02 21:52:20,155 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:20,156 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2023-12-02 21:52:20,271 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:20,272 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2023-12-02 21:52:20,408 INFO L349 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2023-12-02 21:52:20,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 88 [2023-12-02 21:52:20,470 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 18 treesize of output 3 [2023-12-02 21:52:20,497 INFO L349 Elim1Store]: treesize reduction 38, result has 19.1 percent of original size [2023-12-02 21:52:20,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 88 [2023-12-02 21:52:20,520 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:20,521 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2023-12-02 21:52:20,624 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:20,628 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 509 [2023-12-02 21:52:21,277 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:52:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:21,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 192 treesize of output 180 [2023-12-02 21:52:21,287 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:21,289 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 260 [2023-12-02 21:52:21,396 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:21,401 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1506 [2023-12-02 21:52:22,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:52:22,312 INFO L349 Elim1Store]: treesize reduction 38, result has 32.1 percent of original size [2023-12-02 21:52:22,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 720 treesize of output 677 [2023-12-02 21:52:54,672 WARN L293 SmtUtils]: Spent 30.27s on a formula simplification. DAG size of input: 52 DAG size of output: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:52:54,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:52:54,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 81 treesize of output 113 [2023-12-02 21:52:54,944 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 11 treesize of output 7 [2023-12-02 21:52:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:53:25,818 WARN L293 SmtUtils]: Spent 30.21s on a formula simplification. DAG size of input: 53 DAG size of output: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:54:26,633 WARN L293 SmtUtils]: Spent 1.01m on a formula simplification. DAG size of input: 53 DAG size of output: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:54:57,118 WARN L293 SmtUtils]: Spent 30.21s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:54:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:57,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 93 states and 120 transitions. [2023-12-02 21:54:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2023-12-02 21:54:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:54:57,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:57,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:57,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:54:57,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:57,670 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:54:57,682 INFO L349 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-12-02 21:54:57,683 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 1 case distinctions, treesize of input 12 treesize of output 21 [2023-12-02 21:54:57,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:54:57,689 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2023-12-02 21:54:57,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,693 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 16 treesize of output 8 [2023-12-02 21:54:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:54:57,702 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-12-02 21:54:57,702 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-12-02 21:54:57,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-12-02 21:54:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:54:57,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,717 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 8 [2023-12-02 21:54:57,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:54:57,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,726 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 15 [2023-12-02 21:54:57,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:54:57,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,734 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 16 treesize of output 8 [2023-12-02 21:54:57,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:54:57,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:54:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:55:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 109 states and 154 transitions. [2023-12-02 21:55:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2023-12-02 21:55:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:55:08,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:08,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:55:08,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:08,503 WARN L561 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2023-12-02 21:55:08,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,511 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 8 [2023-12-02 21:55:08,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-12-02 21:55:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,523 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 15 [2023-12-02 21:55:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:55:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,537 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 16 treesize of output 8 [2023-12-02 21:55:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:55:08,547 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-12-02 21:55:08,547 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-12-02 21:55:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2023-12-02 21:55:08,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:55:08,562 INFO L349 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2023-12-02 21:55:08,563 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 1 case distinctions, treesize of input 12 treesize of output 12 [2023-12-02 21:55:08,566 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2023-12-02 21:55:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,570 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 16 treesize of output 8 [2023-12-02 21:55:08,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:08,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:55:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:55:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 111 states and 157 transitions. [2023-12-02 21:55:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2023-12-02 21:55:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:55:09,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:09,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:09,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:55:09,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:09,792 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 21:55:09,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 38 [2023-12-02 21:55:09,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 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 16 treesize of output 16 [2023-12-02 21:55:09,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 21:55:10,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 21:55:10,099 INFO L349 Elim1Store]: treesize reduction 73, result has 30.5 percent of original size [2023-12-02 21:55:10,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 54 treesize of output 100 [2023-12-02 21:55:10,112 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 12 treesize of output 11 [2023-12-02 21:55:10,130 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 12 treesize of output 11 [2023-12-02 21:55:10,169 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:55:10,169 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2023-12-02 21:55:10,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 43 [2023-12-02 21:55:10,196 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 9 treesize of output 7 [2023-12-02 21:56:41,204 WARN L876 $PredicateComparison]: unable to prove that (and (not (= |c_func_to_recursive_line_30_to_38_0_#in~c.base| |c_func_to_recursive_line_30_to_38_0_#in~z.base|)) (not (= |c_func_to_recursive_line_30_to_38_0_#in~x.base| |c_func_to_recursive_line_30_to_38_0_#in~z.base|)) (= |c_func_to_recursive_line_30_to_38_0_#in~y.offset| 0) (= |c_func_to_recursive_line_30_to_38_0_#in~z.offset| 0) (not (= |c_func_to_recursive_line_30_to_38_0_#in~c.base| |c_func_to_recursive_line_30_to_38_0_#in~x.base|)) (let ((.cse3 (select (select |c_#memory_int| |c_func_to_recursive_line_30_to_38_0_#in~z.base|) 0))) (let ((.cse0 (= (select (select |c_#memory_int| |c_func_to_recursive_line_30_to_38_0_#in~y.base|) 0) .cse3))) (or (and (= |c_func_to_recursive_line_30_to_38_0_#in~y.base| |c_func_to_recursive_line_30_to_38_0_#in~x.base|) .cse0) (and (exists ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (let ((.cse1 (store (store (store |c_#memory_int| |c_func_to_recursive_line_30_to_38_0_#in~x.base| v_DerPreprocessor_25) |c_func_to_recursive_line_30_to_38_0_#in~y.base| v_DerPreprocessor_26) |c_func_to_recursive_line_30_to_38_0_#in~c.base| (select |c_#memory_int| |c_func_to_recursive_line_30_to_38_0_#in~c.base|))) (.cse2 (select |c_#memory_int| |c_func_to_recursive_line_30_to_38_0_#in~x.base|))) (and (= (select .cse1 |c_func_to_recursive_line_30_to_38_0_#in~y.base|) (store .cse2 0 .cse3)) (= (select .cse1 |c_func_to_recursive_line_30_to_38_0_#in~x.base|) .cse2)))) .cse0)))) (not (= |c_func_to_recursive_line_30_to_38_0_#in~y.base| |c_func_to_recursive_line_30_to_38_0_#in~c.base|))) is different from true [2023-12-02 22:01:25,101 WARN L876 $PredicateComparison]: unable to prove that (or (exists ((v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1 Int) (v_func_to_recursive_line_30_to_38_0_~x.offset_BEFORE_CALL_1 Int) (v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1 Int)) (let ((.cse1 (select |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1)) (.cse2 (select (select |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1) 0))) (and (not (= v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1 v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1)) (exists ((v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3 Int)) (and (not (= v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3 v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1)) (exists ((func_to_recursive_line_30_to_38_0_~y.base Int)) (and (exists ((v_DerPreprocessor_26 (Array Int Int)) (v_DerPreprocessor_25 (Array Int Int))) (let ((.cse0 (store (store (store |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1 v_DerPreprocessor_25) func_to_recursive_line_30_to_38_0_~y.base v_DerPreprocessor_26) v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3 (select |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3)))) (and (= (select .cse0 func_to_recursive_line_30_to_38_0_~y.base) (store .cse1 0 .cse2)) (= (select .cse0 v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1) .cse1)))) (= (select (select |c_#memory_int| func_to_recursive_line_30_to_38_0_~y.base) 0) .cse2) (not (= func_to_recursive_line_30_to_38_0_~y.base v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3)))) (not (= v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1 v_func_to_recursive_line_30_to_38_0_~c.base_BEFORE_CALL_3)))) (<= 0 (+ 9223372036854775808 (* (select .cse1 v_func_to_recursive_line_30_to_38_0_~x.offset_BEFORE_CALL_1) .cse2)))))) (exists ((v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1 Int) (v_func_to_recursive_line_30_to_38_0_~x.offset_BEFORE_CALL_1 Int) (v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1 Int)) (let ((.cse3 (select |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1)) (.cse4 (select (select |c_#memory_int| v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1) 0))) (and (not (= v_func_to_recursive_line_30_to_38_0_~z.base_BEFORE_CALL_1 v_func_to_recursive_line_30_to_38_0_~x.base_BEFORE_CALL_1)) (= (select .cse3 0) .cse4) (<= 0 (+ 9223372036854775808 (* (select .cse3 v_func_to_recursive_line_30_to_38_0_~x.offset_BEFORE_CALL_1) .cse4))))))) is different from true [2023-12-02 22:03:20,422 WARN L293 SmtUtils]: Spent 24.34s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:05:15,173 WARN L293 SmtUtils]: Spent 12.47s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:05:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:05:15,954 INFO L349 Elim1Store]: treesize reduction 364, result has 24.8 percent of original size [2023-12-02 22:05:15,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 49 case distinctions, treesize of input 337 treesize of output 382 [2023-12-02 22:05:16,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:05:16,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 35 case distinctions, treesize of input 151 treesize of output 395