./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV --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 d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:05:52,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:05:52,841 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:05:52,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:05:52,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:05:52,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:05:52,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:05:52,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:05:52,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:05:52,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:05:52,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:05:52,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:05:52,892 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:05:52,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:05:52,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:05:52,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:05:52,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:05:52,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:05:52,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:05:52,897 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:05:52,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:05:52,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:05:52,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:05:52,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:05:52,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:05:52,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:05:52,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:05:52,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:52,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:05:52,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:05:52,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:05:52,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:05:52,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:05:52,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:05:52,905 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_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2023-11-12 00:05:53,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:05:53,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:05:53,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:05:53,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:05:53,278 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:05:53,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-11-12 00:05:56,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:05:56,887 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:05:56,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/sv-benchmarks/c/seq-pthread/cs_lamport.i [2023-11-12 00:05:56,907 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/data/b9a6e63e7/8f58ce569d8148fe8707656911f1208f/FLAG066814eb4 [2023-11-12 00:05:56,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/data/b9a6e63e7/8f58ce569d8148fe8707656911f1208f [2023-11-12 00:05:56,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:05:56,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:05:56,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:56,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:05:56,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:05:56,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:56" (1/1) ... [2023-11-12 00:05:56,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26c23c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:56, skipping insertion in model container [2023-11-12 00:05:56,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:05:56" (1/1) ... [2023-11-12 00:05:57,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:05:57,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:57,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:05:57,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:05:57,897 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:05:57,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57 WrapperNode [2023-11-12 00:05:57,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:05:57,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:57,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:05:57,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:05:57,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:57,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,044 INFO L138 Inliner]: procedures = 145, calls = 352, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 476 [2023-11-12 00:05:58,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:05:58,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:05:58,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:05:58,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:05:58,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,135 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:05:58,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:05:58,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:05:58,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:05:58,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:05:57" (1/1) ... [2023-11-12 00:05:58,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:05:58,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:05:58,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:05:58,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5024f4c3-1e93-4b17-952a-005d933c190f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:05:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:05:58,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:05:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:05:58,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:05:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:05:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:05:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:05:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2023-11-12 00:05:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2023-11-12 00:05:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:05:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2023-11-12 00:05:58,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2023-11-12 00:05:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:05:58,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2023-11-12 00:05:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:05:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:05:58,301 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2023-11-12 00:05:58,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2023-11-12 00:05:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:05:58,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:05:58,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:05:58,570 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:05:58,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:09,691 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:09,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:09,816 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:06:09,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:09 BoogieIcfgContainer [2023-11-12 00:06:09,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:09,836 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:09,837 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:09,848 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:09,848 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:09" (1/1) ... [2023-11-12 00:06:09,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:06:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 112 states and 154 transitions. [2023-11-12 00:06:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 154 transitions. [2023-11-12 00:06:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:09,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:20,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:06:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 113 states and 156 transitions. [2023-11-12 00:06:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 156 transitions. [2023-11-12 00:06:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:06:20,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 114 states and 157 transitions. [2023-11-12 00:06:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2023-11-12 00:06:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:06:20,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:21,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 115 states and 158 transitions. [2023-11-12 00:06:21,048 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2023-11-12 00:06:21,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:06:21,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:21,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:21,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:31,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:06:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 115 states and 159 transitions. [2023-11-12 00:06:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 159 transitions. [2023-11-12 00:06:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:06:31,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 116 states and 161 transitions. [2023-11-12 00:06:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2023-11-12 00:06:31,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:06:31,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:31,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 118 states and 163 transitions. [2023-11-12 00:06:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2023-11-12 00:06:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:06:32,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:06:32,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 117 states and 162 transitions. [2023-11-12 00:06:32,840 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2023-11-12 00:06:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:06:32,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:32,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:06:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 125 states and 174 transitions. [2023-11-12 00:06:34,317 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2023-11-12 00:06:34,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:06:34,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:34,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:06:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 126 states and 174 transitions. [2023-11-12 00:06:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 174 transitions. [2023-11-12 00:06:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:06:34,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:34,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:06:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2023-11-12 00:06:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2023-11-12 00:06:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:06:35,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:35,658 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:06:45,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:06:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 127 states and 176 transitions. [2023-11-12 00:06:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 176 transitions. [2023-11-12 00:06:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:06:45,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:45,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:06:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:46,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 130 states and 178 transitions. [2023-11-12 00:06:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 178 transitions. [2023-11-12 00:06:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:06:46,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:46,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:06:47,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 126 states and 170 transitions. [2023-11-12 00:06:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 170 transitions. [2023-11-12 00:06:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:06:47,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:47,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:47,875 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-12 00:06:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 129 states and 172 transitions. [2023-11-12 00:06:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 172 transitions. [2023-11-12 00:06:48,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:06:48,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:48,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-12 00:06:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 141 states and 184 transitions. [2023-11-12 00:06:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2023-11-12 00:06:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:06:51,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:51,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-12 00:06:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 140 states and 183 transitions. [2023-11-12 00:06:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-12 00:06:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-12 00:06:55,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:06:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:06:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-12 00:06:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:06:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2023-11-12 00:06:55,736 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2023-11-12 00:06:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 00:06:55,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:06:55,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms