./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:52:52,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:52,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:52:52,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:52:52,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:52:52,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:52,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:52,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:52:52,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:52,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:52,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:52,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:52,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:52:52,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:52:52,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:52:52,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:52,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:52,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:52,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:52,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:52,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:52:52,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:52,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:52,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:52:52,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:52:52,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:52:52,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:52,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:52,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:52,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:52,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:52,497 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:52:52,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:52:52,497 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_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-11-08 23:52:52,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:52,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:52,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:52,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:52,847 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:52,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c Unable to find full path for "g++" [2024-11-08 23:52:55,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:55,343 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:55,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-08 23:52:55,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/003763396/0e4e402c8f734509abd9f70512c353df/FLAG1bf67c3e2 [2024-11-08 23:52:55,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/003763396/0e4e402c8f734509abd9f70512c353df [2024-11-08 23:52:55,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:55,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:55,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:55,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:55,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:55,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13502442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55, skipping insertion in model container [2024-11-08 23:52:55,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:55,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-08 23:52:55,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:55,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:55,658 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-08 23:52:55,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:55,687 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:55,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55 WrapperNode [2024-11-08 23:52:55,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:55,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:55,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:55,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:55,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,730 INFO L138 Inliner]: procedures = 16, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2024-11-08 23:52:55,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:55,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:55,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:55,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:55,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:55,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:55,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:55,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:55,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:55" (1/1) ... [2024-11-08 23:52:55,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:55,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:52:55,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:52:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:52:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:52:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:55,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:52:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:52:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-08 23:52:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:52:55,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:52:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:52:55,961 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:55,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:52:56,195 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:52:56,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:52:56,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:52:56,242 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:52:56,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:56 BoogieIcfgContainer [2024-11-08 23:52:56,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:52:56,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:52:56,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:52:56,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:52:56,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:56" (1/1) ... [2024-11-08 23:52:56,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 23:52:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 23:52:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:52:56,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:56,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:52:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:56,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 23:52:56,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:56,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:56,823 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2024-11-08 23:52:56,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2024-11-08 23:52:56,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:56,876 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-08 23:52:56,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-08 23:52:56,910 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:52:56,911 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 92 treesize of output 86 [2024-11-08 23:52:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:57,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-08 23:52:57,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-08 23:52:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:52:57,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:57,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:52:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-08 23:52:57,690 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:57,753 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 53 treesize of output 49 [2024-11-08 23:52:57,773 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 59 treesize of output 22 [2024-11-08 23:52:57,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:57,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:57,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:57,872 INFO L349 Elim1Store]: treesize reduction 69, result has 1.4 percent of original size [2024-11-08 23:52:57,872 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 1 case distinctions, treesize of input 155 treesize of output 22 [2024-11-08 23:52:57,911 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:52:57,912 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 116 treesize of output 110 [2024-11-08 23:52:57,951 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:52:57,951 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 23 treesize of output 19 [2024-11-08 23:52:57,978 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 59 treesize of output 22 [2024-11-08 23:52:58,032 INFO L349 Elim1Store]: treesize reduction 50, result has 23.1 percent of original size [2024-11-08 23:52:58,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 22 [2024-11-08 23:52:58,056 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 21 treesize of output 19 [2024-11-08 23:52:58,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:58,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:58,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:52:58,830 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 113 treesize of output 41 [2024-11-08 23:52:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 62 transitions. [2024-11-08 23:53:01,518 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-08 23:53:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:53:01,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:01,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:53:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:01,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:53:01,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:01,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 89 [2024-11-08 23:53:01,701 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,703 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2024-11-08 23:53:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,721 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 51 treesize of output 25 [2024-11-08 23:53:01,726 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 [2024-11-08 23:53:01,732 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 53 treesize of output 49 [2024-11-08 23:53:01,740 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 [2024-11-08 23:53:01,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 61 treesize of output 99 [2024-11-08 23:53:01,780 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,780 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2024-11-08 23:53:01,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 160 [2024-11-08 23:53:01,823 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:01,835 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:01,847 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,849 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 621 [2024-11-08 23:53:01,872 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:01,881 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,882 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2024-11-08 23:53:01,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:53:01,893 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:53:01,900 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:01,909 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,910 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 407 [2024-11-08 23:53:01,926 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:01,937 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,938 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 124 [2024-11-08 23:53:01,953 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:01,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 89 [2024-11-08 23:53:01,976 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,977 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2024-11-08 23:53:01,979 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:01,986 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:01,992 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:01,993 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 201 [2024-11-08 23:53:02,002 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:02,006 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:02,012 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:02,013 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2024-11-08 23:53:02,023 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:02,026 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:02,037 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:02,038 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2024-11-08 23:53:02,047 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 17 treesize of output 8 [2024-11-08 23:53:02,071 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:02,071 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2024-11-08 23:53:02,078 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-08 23:53:02,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:53:02,094 INFO L349 Elim1Store]: treesize reduction 46, result has 2.1 percent of original size [2024-11-08 23:53:02,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 39 [2024-11-08 23:53:02,098 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:02,099 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2024-11-08 23:53:02,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:02,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:02,107 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2024-11-08 23:53:02,126 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:53:02,126 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 23 treesize of output 19 [2024-11-08 23:53:02,139 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 23 treesize of output 21 [2024-11-08 23:53:02,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:03,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 83 transitions. [2024-11-08 23:53:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2024-11-08 23:53:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 23:53:03,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:03,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:53:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:03,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-08 23:53:03,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:03,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:03,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:04,096 INFO L349 Elim1Store]: treesize reduction 181, result has 21.0 percent of original size [2024-11-08 23:53:04,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 228 treesize of output 261 [2024-11-08 23:53:04,109 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:04,111 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2024-11-08 23:53:04,156 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:53:04,156 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 101 treesize of output 97 [2024-11-08 23:53:04,261 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 [2024-11-08 23:53:04,367 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 [2024-11-08 23:53:04,396 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 [2024-11-08 23:53:04,426 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 [2024-11-08 23:53:04,985 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 17 treesize of output 27 [2024-11-08 23:53:05,116 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:05,117 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 425 [2024-11-08 23:53:05,164 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:53:05,168 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-11-08 23:53:05,168 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 141 [2024-11-08 23:53:05,215 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 377 treesize of output 331 [2024-11-08 23:53:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:05,358 INFO L349 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2024-11-08 23:53:05,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 396 treesize of output 349 [2024-11-08 23:53:05,387 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 0 case distinctions, treesize of input 319 treesize of output 337 [2024-11-08 23:53:05,408 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 311 treesize of output 314 [2024-11-08 23:53:05,454 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 [2024-11-08 23:53:05,489 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 [2024-11-08 23:53:05,560 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 [2024-11-08 23:53:05,626 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 [2024-11-08 23:53:05,641 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 [2024-11-08 23:53:05,657 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 0 case distinctions, treesize of input 43 treesize of output 60 [2024-11-08 23:53:05,678 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:05,679 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2024-11-08 23:53:05,725 INFO L349 Elim1Store]: treesize reduction 15, result has 37.5 percent of original size [2024-11-08 23:53:05,727 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 2 case distinctions, treesize of input 46 treesize of output 48 [2024-11-08 23:53:05,767 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:53:05,768 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 15 treesize of output 11 [2024-11-08 23:53:05,854 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 7 treesize of output 5 [2024-11-08 23:53:05,891 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:05,894 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2024-11-08 23:53:05,971 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:05,973 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,005 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,054 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,058 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,109 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,163 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,180 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,181 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,207 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,250 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,361 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:06,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 23:53:07,018 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 18 treesize of output 16 [2024-11-08 23:53:07,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,219 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 123 treesize of output 95 [2024-11-08 23:53:07,225 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 [2024-11-08 23:53:07,233 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 [2024-11-08 23:53:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,241 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 [2024-11-08 23:53:07,246 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 [2024-11-08 23:53:07,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 17 treesize of output 1 [2024-11-08 23:53:07,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,274 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 123 treesize of output 95 [2024-11-08 23:53:07,283 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 8 treesize of output 7 [2024-11-08 23:53:07,299 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 [2024-11-08 23:53:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:53:07,308 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 [2024-11-08 23:53:07,316 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 17 treesize of output 23 [2024-11-08 23:53:07,322 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:07,323 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2024-11-08 23:53:07,324 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:07,328 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:07,371 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-08 23:53:07,388 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 [2024-11-08 23:53:07,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-11-08 23:53:07,409 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:53:07,410 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2024-11-08 23:53:07,440 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:53:07,446 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-11-08 23:53:07,447 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 141 [2024-11-08 23:53:59,415 WARN L286 SmtUtils]: Spent 51.46s on a formula simplification. DAG size of input: 112 DAG size of output: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:54:00,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:00,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:00,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:00,277 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 113 treesize of output 41 [2024-11-08 23:54:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:01,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:01,017 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 113 treesize of output 41 [2024-11-08 23:54:01,798 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 58 states and 137 transitions. [2024-11-08 23:54:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 137 transitions. [2024-11-08 23:54:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:54:10,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:10,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:54:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:10,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-08 23:54:10,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:10,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:10,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:10,578 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-08 23:54:10,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2024-11-08 23:54:10,614 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:54:10,614 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 61 treesize of output 57 [2024-11-08 23:54:10,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2024-11-08 23:54:10,668 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 [2024-11-08 23:54:11,018 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 33 treesize of output 29 [2024-11-08 23:54:11,041 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 33 treesize of output 29 [2024-11-08 23:54:11,092 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 33 treesize of output 29 [2024-11-08 23:54:11,150 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:54:11,151 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2024-11-08 23:54:11,323 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:54:11,326 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2024-11-08 23:54:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:11,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:11,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:11,755 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:11,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:11,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:11,813 INFO L349 Elim1Store]: treesize reduction 37, result has 17.8 percent of original size [2024-11-08 23:54:11,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 186 treesize of output 176 [2024-11-08 23:54:12,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:12,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:12,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:12,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:12,108 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:12,110 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 92 treesize of output 61 [2024-11-08 23:54:12,214 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:54:12,218 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 661 [2024-11-08 23:54:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:12,727 INFO L349 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2024-11-08 23:54:12,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 214 treesize of output 181 [2024-11-08 23:54:12,773 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:54:12,775 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2024-11-08 23:54:13,012 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:13,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:13,024 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-08 23:54:13,043 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 69 treesize of output 40 [2024-11-08 23:54:14,399 WARN L873 $PredicateComparison]: unable to prove that (exists ((func_to_recursive_line_26_to_34_0_~c.offset Int)) (= (let ((.cse3 (store |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base| (let ((.cse5 (select |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base|))) (store .cse5 func_to_recursive_line_26_to_34_0_~c.offset (+ (select .cse5 func_to_recursive_line_26_to_34_0_~c.offset) 1)))))) (let ((.cse4 (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse2 (+ 1 (select .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)))) (let ((.cse0 (store .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base| (store .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset| .cse2)))) (store .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base| (let ((.cse1 (select .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (store .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset| (+ (* .cse2 .cse2) (select .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))))))))) |c_#memory_int|)) is different from true [2024-11-08 23:54:14,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:14,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:54:14,428 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 130 treesize of output 40 [2024-11-08 23:54:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2024-11-08 23:55:09,347 WARN L873 $PredicateComparison]: unable to prove that (and (not (= |c_old(#memory_int)| |c_#memory_int|)) (exists ((func_to_recursive_line_26_to_34_0_~c.offset Int)) (= (let ((.cse3 (store |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base| (let ((.cse5 (select |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base|))) (store .cse5 func_to_recursive_line_26_to_34_0_~c.offset (+ (select .cse5 func_to_recursive_line_26_to_34_0_~c.offset) 1)))))) (let ((.cse4 (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse2 (+ 1 (select .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)))) (let ((.cse0 (store .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base| (store .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset| .cse2)))) (store .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base| (let ((.cse1 (select .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (store .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset| (+ (* .cse2 .cse2) (select .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))))))))) |c_#memory_int|))) is different from true [2024-11-08 23:55:09,351 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((func_to_recursive_line_26_to_34_0_~c.offset Int)) (= (let ((.cse3 (store |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base| (let ((.cse5 (select |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base|))) (store .cse5 func_to_recursive_line_26_to_34_0_~c.offset (+ (select .cse5 func_to_recursive_line_26_to_34_0_~c.offset) 1)))))) (let ((.cse4 (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse2 (+ 1 (select .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)))) (let ((.cse0 (store .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base| (store .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset| .cse2)))) (store .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base| (let ((.cse1 (select .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (store .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset| (+ (* .cse2 .cse2) (select .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))))))))) |c_#memory_int|))) is different from false [2024-11-08 23:55:09,758 WARN L851 $PredicateComparison]: unable to prove that (not (and (not (= |c_old(#memory_int)| |c_#memory_int|)) (exists ((func_to_recursive_line_26_to_34_0_~c.offset Int)) (= (let ((.cse3 (store |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base| (let ((.cse5 (select |c_old(#memory_int)| |c_func_to_recursive_line_26_to_34_0_#in~c.base|))) (store .cse5 func_to_recursive_line_26_to_34_0_~c.offset (+ (select .cse5 func_to_recursive_line_26_to_34_0_~c.offset) 1)))))) (let ((.cse4 (select .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base|))) (let ((.cse2 (+ 1 (select .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset|)))) (let ((.cse0 (store .cse3 |c_func_to_recursive_line_26_to_34_0_#in~y.base| (store .cse4 |c_func_to_recursive_line_26_to_34_0_#in~y.offset| .cse2)))) (store .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base| (let ((.cse1 (select .cse0 |c_func_to_recursive_line_26_to_34_0_#in~x.base|))) (store .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset| (+ (* .cse2 .cse2) (select .cse1 |c_func_to_recursive_line_26_to_34_0_#in~x.offset|))))))))) |c_#memory_int|)))) is different from false [2024-11-08 23:55:20,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:55:30,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:55:40,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:55:50,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:56:01,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:56:11,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:56:23,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:56:33,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:56:35,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:35,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 70 states and 214 transitions. [2024-11-08 23:56:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 214 transitions. [2024-11-08 23:56:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:56:35,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:35,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:56:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:56:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:35,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-08 23:56:35,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:35,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:35,799 INFO L349 Elim1Store]: treesize reduction 40, result has 35.5 percent of original size [2024-11-08 23:56:35,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 64 treesize of output 45 [2024-11-08 23:56:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:35,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:35,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:35,905 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-08 23:56:35,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-11-08 23:56:35,971 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:56:35,971 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 61 treesize of output 57 [2024-11-08 23:56:48,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:48,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:48,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:56:48,366 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 130 treesize of output 40 [2024-11-08 23:56:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2024-11-08 23:57:24,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:57:34,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:57:44,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:57:54,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:58:08,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-08 23:58:08,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 72 states and 226 transitions. [2024-11-08 23:58:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 226 transitions. [2024-11-08 23:58:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 23:58:08,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:08,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:58:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:08,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-08 23:58:08,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:58:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:08,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:08,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:09,435 INFO L349 Elim1Store]: treesize reduction 188, result has 24.5 percent of original size [2024-11-08 23:58:09,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 130 treesize of output 333 [2024-11-08 23:58:09,544 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-08 23:58:09,544 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 61 treesize of output 57 [2024-11-08 23:58:09,582 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 [2024-11-08 23:58:09,612 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 [2024-11-08 23:58:10,224 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 33 treesize of output 29 [2024-11-08 23:58:10,275 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 33 treesize of output 29 [2024-11-08 23:58:10,358 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 33 treesize of output 29 [2024-11-08 23:58:10,452 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:58:10,455 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 296 [2024-11-08 23:58:11,124 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:58:11,125 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2024-11-08 23:58:11,433 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:58:11,434 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 230 [2024-11-08 23:58:11,732 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:58:11,733 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2024-11-08 23:58:11,830 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:58:11,834 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 886 [2024-11-08 23:58:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:13,554 INFO L349 Elim1Store]: treesize reduction 62, result has 28.7 percent of original size [2024-11-08 23:58:13,556 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 5 new quantified variables, introduced 5 case distinctions, treesize of input 12367 treesize of output 12226 [2024-11-08 23:58:13,808 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 82 treesize of output 76 [2024-11-08 23:58:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:36,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:36,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-08 23:58:36,396 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 130 treesize of output 40 [2024-11-08 23:58:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2024-11-08 23:59:22,499 WARN L286 SmtUtils]: Spent 45.53s on a formula simplification. DAG size of input: 72 DAG size of output: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:04,636 WARN L286 SmtUtils]: Spent 20.47s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:27,195 WARN L286 SmtUtils]: Spent 20.50s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:18,982 WARN L286 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:29,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:01:39,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:01:49,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:01:59,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 00:01:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 73 states and 236 transitions. [2024-11-09 00:01:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 236 transitions. [2024-11-09 00:01:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 00:01:59,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:59,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:01:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:59,855 WARN L253 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-09 00:01:59,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:02:09,929 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification. DAG size of input: 232 DAG size of output: 117 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 00:02:09,930 INFO L349 Elim1Store]: treesize reduction 1010, result has 30.9 percent of original size [2024-11-09 00:02:09,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 5446 treesize of output 2309 [2024-11-09 00:02:10,037 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:10,039 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 921 [2024-11-09 00:02:10,653 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 [2024-11-09 00:02:11,232 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 25 treesize of output 34 [2024-11-09 00:02:12,565 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:12,566 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2024-11-09 00:02:14,720 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:14,722 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 460 [2024-11-09 00:02:17,435 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:17,437 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2024-11-09 00:02:18,572 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:18,573 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 351 [2024-11-09 00:02:23,788 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:23,789 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 272 [2024-11-09 00:02:24,218 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:24,220 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2024-11-09 00:02:27,558 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:27,559 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2024-11-09 00:02:31,199 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:31,200 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2024-11-09 00:02:33,333 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:33,334 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 437 [2024-11-09 00:02:34,380 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:34,381 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2024-11-09 00:02:37,668 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:37,669 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 378 [2024-11-09 00:02:38,446 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:38,447 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2024-11-09 00:02:39,566 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:39,567 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2024-11-09 00:02:42,116 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:42,118 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2024-11-09 00:02:46,106 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:46,107 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 569 [2024-11-09 00:02:48,567 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:48,569 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 720 [2024-11-09 00:02:50,026 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:50,027 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2024-11-09 00:02:54,215 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:54,218 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 975 [2024-11-09 00:02:56,241 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:02:56,272 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11941 [2024-11-09 00:03:15,249 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-09 00:03:15,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 3668 treesize of output 3537 [2024-11-09 00:03:20,676 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 00:03:20,676 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2024-11-09 00:04:05,771 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) [2024-11-09 00:04:05,775 INFO L158 Benchmark]: Toolchain (without parser) took 670396.75ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 108.1MB in the beginning and 143.2MB in the end (delta: -35.1MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,775 INFO L158 Benchmark]: CDTParser took 2.06ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:05,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.20ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.56ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:04:05,776 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 92.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,776 INFO L158 Benchmark]: RCFGBuilder took 480.06ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 77.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,776 INFO L158 Benchmark]: CodeCheck took 669530.71ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 77.0MB in the beginning and 143.2MB in the end (delta: -66.2MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. [2024-11-09 00:04:05,782 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 2.06ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.6MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.20ms. Allocated memory is still 148.9MB. Free memory was 107.6MB in the beginning and 95.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.56ms. Allocated memory is still 148.9MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 148.9MB. Free memory was 93.5MB in the beginning and 92.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.06ms. Allocated memory is still 148.9MB. Free memory was 92.3MB in the beginning and 77.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 669530.71ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 77.0MB in the beginning and 143.2MB in the end (delta: -66.2MB). Peak memory consumption was 104.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:04:05,998 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-09 00:04:06,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:04:08,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:04:08,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:04:08,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:04:08,320 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:04:08,321 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:04:08,322 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:04:08,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:04:08,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:04:08,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:04:08,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:04:08,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:04:08,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:04:08,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:04:08,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:04:08,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:04:08,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:04:08,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:04:08,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:04:08,332 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:04:08,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:04:08,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:04:08,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:04:08,336 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:04:08,337 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:04:08,337 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:04:08,337 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:08,337 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:04:08,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:04:08,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:08,338 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:04:08,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:04:08,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:04:08,339 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:04:08,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:08,341 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:04:08,341 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_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b995352c2aa614292d7ca8e2ab060aead2140bac61fbd718d54a02f08e13c4 [2024-11-09 00:04:08,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:04:08,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:04:08,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:04:08,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:04:08,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:04:08,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c Unable to find full path for "g++" [2024-11-09 00:04:10,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:04:11,136 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:04:11,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c [2024-11-09 00:04:11,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/c7e8ad1d0/8d1c5e959f1840709f08b945e1d9f29d/FLAG02eaf9c1a [2024-11-09 00:04:11,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/data/c7e8ad1d0/8d1c5e959f1840709f08b945e1d9f29d [2024-11-09 00:04:11,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:04:11,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:04:11,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:11,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:04:11,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:04:11,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af95e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11, skipping insertion in model container [2024-11-09 00:04:11,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:04:11,811 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-09 00:04:11,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:11,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:04:11,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/sv-benchmarks/c/recursified_nla-digbench/recursified_ps3-ll.c[987,1000] [2024-11-09 00:04:11,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:04:11,939 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:04:11,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11 WrapperNode [2024-11-09 00:04:11,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:04:11,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:11,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:04:11,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:04:11,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,983 INFO L138 Inliner]: procedures = 20, calls = 51, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-11-09 00:04:11,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:04:11,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:04:11,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:04:11,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:04:11,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:11,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:04:12,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:04:12,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:04:12,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:04:12,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:04:11" (1/1) ... [2024-11-09 00:04:12,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:04:12,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:04:12,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:04:12,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:04:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:04:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:04:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:04:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-09 00:04:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2024-11-09 00:04:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:04:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:04:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-09 00:04:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_26_to_34_0 [2024-11-09 00:04:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_26_to_34_0 [2024-11-09 00:04:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:04:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:04:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2024-11-09 00:04:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:04:12,223 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:04:12,226 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:04:12,799 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-09 00:04:12,799 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:04:12,837 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:04:12,837 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:04:12,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:12 BoogieIcfgContainer [2024-11-09 00:04:12,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:04:12,839 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:04:12,839 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:04:12,848 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:04:12,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:04:12" (1/1) ... [2024-11-09 00:04:12,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:04:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-09 00:04:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-09 00:04:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:04:12,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:12,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:12,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:12,929 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:12,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:04:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:13,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:13,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 00:04:13,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:14,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:14,159 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 00:04:14,556 INFO L349 Elim1Store]: treesize reduction 111, result has 24.5 percent of original size [2024-11-09 00:04:14,558 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 1 case distinctions, treesize of input 79 treesize of output 77 [2024-11-09 00:04:14,658 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-09 00:04:14,660 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 89 treesize of output 85 [2024-11-09 00:04:14,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:14,862 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 00:04:14,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 78 [2024-11-09 00:04:15,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 47 [2024-11-09 00:04:15,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:15,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:04:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:04:18,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 32 transitions. [2024-11-09 00:04:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2024-11-09 00:04:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:04:18,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:04:18,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:04:18,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:04:18,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:04:18,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:04:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:19,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:04:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:04:20,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-09 00:04:20,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:04:20,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:20,662 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 00:04:21,223 INFO L349 Elim1Store]: treesize reduction 111, result has 25.0 percent of original size [2024-11-09 00:04:21,224 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 1 case distinctions, treesize of input 83 treesize of output 78 [2024-11-09 00:04:21,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:21,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:21,453 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-11-09 00:04:21,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 79 [2024-11-09 00:04:21,631 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-11-09 00:04:21,632 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 107 treesize of output 99 [2024-11-09 00:04:35,634 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 00:04:39,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:39,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:39,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:04:39,365 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 229 treesize of output 172 [2024-11-09 00:04:39,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 126 treesize of output 117 [2024-11-09 00:04:39,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 154 treesize of output 113 [2024-11-09 00:04:40,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 216 treesize of output 144 [2024-11-09 00:04:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:04:40,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 65 transitions. [2024-11-09 00:05:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2024-11-09 00:05:01,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:05:01,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:01,505 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:01,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:05:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:02,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:05:12,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:05:12,353 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) 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) [2024-11-09 00:05:12,358 INFO L158 Benchmark]: Toolchain (without parser) took 60824.66ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 46.7MB in the beginning and 29.8MB in the end (delta: 17.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:12,358 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 52.4MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:12,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.13ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 54.6MB in the end (delta: -8.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-09 00:05:12,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:12,360 INFO L158 Benchmark]: Boogie Preprocessor took 44.06ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:12,361 INFO L158 Benchmark]: RCFGBuilder took 807.61ms. Allocated memory is still 77.6MB. Free memory was 51.3MB in the beginning and 34.0MB in the end (delta: 17.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:05:12,362 INFO L158 Benchmark]: CodeCheck took 59517.65ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 33.7MB in the beginning and 29.8MB in the end (delta: 3.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-09 00:05:12,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 52.4MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.13ms. Allocated memory is still 77.6MB. Free memory was 46.5MB in the beginning and 54.6MB in the end (delta: -8.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 77.6MB. Free memory was 54.6MB in the beginning and 53.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.06ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 51.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 807.61ms. Allocated memory is still 77.6MB. Free memory was 51.3MB in the beginning and 34.0MB in the end (delta: 17.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 59517.65ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 33.7MB in the beginning and 29.8MB in the end (delta: 3.9MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:05:12,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4c11d35-9469-4712-9228-08832b790121/bin/ukojak-verify-ImItNfHLgk/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown