./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:21,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:21,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:21,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:21,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:21,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:21,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:21,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:21,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:21,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:21,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:21,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:21,971 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:21,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:21,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:21,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:21,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:21,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:21,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:21,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:21,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:21,976 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:21,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:21,977 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:21,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:21,978 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:21,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:21,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:21,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:21,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:21,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:21,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:21,981 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:21,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:21,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:21,982 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_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2023-11-21 18:49:22,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:22,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:22,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:22,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:22,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:22,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-11-21 18:49:25,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:25,718 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:25,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2023-11-21 18:49:25,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/data/45cfd29d7/a580e910de614a679b0a7ee5b0702e7d/FLAGf91b71ab2 [2023-11-21 18:49:25,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/data/45cfd29d7/a580e910de614a679b0a7ee5b0702e7d [2023-11-21 18:49:25,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:25,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:25,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:25,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:25,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:25,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:25" (1/1) ... [2023-11-21 18:49:25,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2debf027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:25, skipping insertion in model container [2023-11-21 18:49:25,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:25" (1/1) ... [2023-11-21 18:49:25,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:26,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:26,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:26,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:26,669 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:26,678 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:26,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26 WrapperNode [2023-11-21 18:49:26,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:26,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:26,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:26,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:26,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,833 INFO L138 Inliner]: procedures = 208, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1215 [2023-11-21 18:49:26,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:26,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:26,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:26,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:26,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:26,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:27,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:27,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:27,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:27,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:27,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:27,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:27,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:26" (1/1) ... [2023-11-21 18:49:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:27,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:27,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd5f885-f0ca-47bc-b942-133eb3fd926a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:49:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:49:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:49:27,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:49:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 18:49:27,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:27,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:49:27,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:49:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:49:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:27,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:27,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:27,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:27,427 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:27,430 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:29,027 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:30,680 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:30,680 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 18:49:30,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:30 BoogieIcfgContainer [2023-11-21 18:49:30,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:30,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:30,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:30,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:30,696 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:30" (1/1) ... [2023-11-21 18:49:30,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 132 states and 213 transitions. [2023-11-21 18:49:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 213 transitions. [2023-11-21 18:49:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:30,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:30,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:30,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:49:30,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:49:31,116 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:31,117 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2023-11-21 18:49:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:31,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2023-11-21 18:49:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:31,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-11-21 18:49:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-11-21 18:49:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:49:31,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 18:49:31,319 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 18:49:31,320 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-11-21 18:49:31,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 18:49:31,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:49:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 136 states and 220 transitions. [2023-11-21 18:49:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 220 transitions. [2023-11-21 18:49:31,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:49:31,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:31,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 136 states and 218 transitions. [2023-11-21 18:49:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 218 transitions. [2023-11-21 18:49:31,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:49:31,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 136 states and 214 transitions. [2023-11-21 18:49:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 214 transitions. [2023-11-21 18:49:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:49:31,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:31,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:31,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:31,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 136 states and 210 transitions. [2023-11-21 18:49:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 210 transitions. [2023-11-21 18:49:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:49:31,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:31,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:32,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:32,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 136 states and 204 transitions. [2023-11-21 18:49:32,098 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 204 transitions. [2023-11-21 18:49:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:49:32,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:32,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:32,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:49:32,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:42,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:49:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 136 states and 198 transitions. [2023-11-21 18:49:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 198 transitions. [2023-11-21 18:49:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:49:42,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:42,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:42,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:49:42,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:53,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:03,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:13,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:23,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 18:50:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 136 states and 195 transitions. [2023-11-21 18:50:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2023-11-21 18:50:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:50:23,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.