./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifcomp.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:42:13,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:42:13,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:42:13,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:42:13,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:42:13,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:42:13,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:42:13,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:42:13,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:42:13,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:42:13,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:42:13,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:42:13,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:42:13,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:42:13,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:42:13,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:42:13,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:42:13,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:42:13,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:42:13,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:42:13,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:42:13,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:42:13,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:42:13,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:42:13,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:42:13,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:42:13,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:42:13,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:42:13,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:42:13,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:42:13,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:42:13,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:42:13,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:42:13,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:42:13,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:42:13,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:42:13,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:42:13,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:42:13,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:42:13,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:42:13,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:42:13,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:42:13,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:42:13,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:42:13,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:42:13,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:42:13,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:42:13,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:42:13,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:42:13,702 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:42:13,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:42:13,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:42:13,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:42:13,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:42:13,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:42:13,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:42:13,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:42:13,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:42:13,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:42:13,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:42:13,705 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:42:13,705 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:42:13,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:42:13,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:42:13,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:42:13,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:42:13,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:42:13,706 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:42:13,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:42:13,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:42:13,707 INFO L138 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2022-12-14 21:42:13,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:42:13,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:42:13,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:42:13,908 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:42:13,908 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:42:13,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-14 21:42:16,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:42:16,648 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:42:16,648 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-14 21:42:16,652 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/3a960dad8/b08cdbaf8ecc49719b24852fc781703e/FLAG747a7ea21 [2022-12-14 21:42:17,080 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/3a960dad8/b08cdbaf8ecc49719b24852fc781703e [2022-12-14 21:42:17,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:42:17,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:42:17,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:17,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:42:17,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:42:17,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25243a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17, skipping insertion in model container [2022-12-14 21:42:17,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:42:17,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:42:17,202 WARN L237 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-14 21:42:17,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:17,224 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:42:17,232 WARN L237 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-14 21:42:17,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:42:17,248 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:42:17,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17 WrapperNode [2022-12-14 21:42:17,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:42:17,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:17,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:42:17,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:42:17,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,272 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2022-12-14 21:42:17,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:42:17,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:42:17,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:42:17,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:42:17,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:42:17,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:42:17,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:42:17,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:42:17,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:42:17,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:42:17,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:42:17,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:42:17,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:42:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:42:17,390 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:42:17,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:42:17,511 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:42:17,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:42:17,600 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 21:42:17,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:17 BoogieIcfgContainer [2022-12-14 21:42:17,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:42:17,603 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:42:17,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:42:17,610 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:42:17,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:42:17" (1/1) ... [2022-12-14 21:42:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:42:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:17,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-12-14 21:42:17,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-12-14 21:42:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:42:17,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:17,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:17,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:42:17,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:42:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 21:42:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 21:42:17,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:42:17,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:17,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:17,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:42:17,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:42:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 21:42:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 21:42:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 21:42:18,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:18,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:18,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:42:18,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-12-14 21:42:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-12-14 21:42:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:42:18,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:18,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:18,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 21:42:18,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:18,362 INFO L350 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 [2022-12-14 21:42:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-12-14 21:42:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-12-14 21:42:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:42:18,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:18,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:18,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:42:18,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:42:19,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-12-14 21:42:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-12-14 21:42:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:42:19,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:19,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:19,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:42:19,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:42:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-12-14 21:42:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-12-14 21:42:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:42:19,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:19,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-14 21:42:19,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:19,771 INFO L350 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 [2022-12-14 21:42:19,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:20,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-12-14 21:42:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-12-14 21:42:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:42:20,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:20,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:20,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:42:20,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:20,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:20,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2022-12-14 21:42:20,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2022-12-14 21:42:20,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:42:20,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:20,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:20,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 21:42:20,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:42:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-12-14 21:42:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-12-14 21:42:21,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 21:42:21,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:21,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:21,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 21:42:21,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:21,739 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:42:22,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:22,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-12-14 21:42:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-12-14 21:42:22,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:42:22,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:22,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:22,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 21:42:22,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:22,676 INFO L350 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 [2022-12-14 21:42:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:22,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:22,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:22,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:22,885 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2022-12-14 21:42:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2022-12-14 21:42:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:42:24,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:24,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:24,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 21:42:24,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:24,684 INFO L350 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 44 treesize of output 42 [2022-12-14 21:42:24,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:42:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:24,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:25,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:42:25,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:25,086 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:42:25,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-12-14 21:42:25,479 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 21:42:25,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-12-14 21:42:25,483 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:42:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-12-14 21:42:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-12-14 21:42:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:42:29,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:29,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:29,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 21:42:29,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:29,818 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:42:32,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2022-12-14 21:42:32,112 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2022-12-14 21:42:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:42:32,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:32,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:32,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 21:42:32,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:42:33,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 74 transitions. [2022-12-14 21:42:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2022-12-14 21:42:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:42:33,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:33,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:34,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-14 21:42:34,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:34,774 INFO L350 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 [2022-12-14 21:42:34,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:34,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:34,791 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:34,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2022-12-14 21:42:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2022-12-14 21:42:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:42:35,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:36,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 21:42:36,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:36,016 INFO L350 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 98 treesize of output 94 [2022-12-14 21:42:36,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:42:36,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:42:36,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:42:36,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,192 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 77 treesize of output 22 [2022-12-14 21:42:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:36,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:42:36,423 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 21:42:36,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-12-14 21:42:36,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,429 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:42:36,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-12-14 21:42:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,464 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 112 [2022-12-14 21:42:36,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:36,645 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:42:36,645 INFO L350 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 47 treesize of output 44 [2022-12-14 21:42:36,788 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 21:42:36,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-12-14 21:42:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:42:40,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2022-12-14 21:42:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2022-12-14 21:42:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:42:40,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:40,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:40,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 21:42:40,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:42:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2022-12-14 21:42:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2022-12-14 21:42:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:42:43,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:43,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:43,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 21:42:43,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:42:48,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 72 states and 101 transitions. [2022-12-14 21:42:48,626 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2022-12-14 21:42:48,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:42:48,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:48,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:48,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 21:42:48,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:42:50,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:50,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2022-12-14 21:42:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2022-12-14 21:42:50,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:42:50,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:53,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-14 21:42:53,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:53,283 INFO L350 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 [2022-12-14 21:42:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:53,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:53,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:53,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:53,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:53,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:53,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:42:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2022-12-14 21:42:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2022-12-14 21:42:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:42:54,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:54,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:55,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 69 conjunts are in the unsatisfiable core [2022-12-14 21:42:55,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:42:55,718 INFO L350 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 98 treesize of output 94 [2022-12-14 21:42:55,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:42:55,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:55,920 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:55,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,111 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:42:56,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:42:56,249 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 21:42:56,249 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-12-14 21:42:56,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:42:56,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-12-14 21:42:56,271 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:42:56,273 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 202 [2022-12-14 21:42:56,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,309 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:42:56,309 INFO L350 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 47 treesize of output 44 [2022-12-14 21:42:56,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:42:56,528 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:42:56,529 INFO L350 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 43 treesize of output 44 [2022-12-14 21:42:56,701 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 21:42:56,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-12-14 21:42:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:43:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2022-12-14 21:43:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2022-12-14 21:43:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:43:02,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:02,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 74 conjunts are in the unsatisfiable core [2022-12-14 21:43:02,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:02,699 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:02,699 INFO L350 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 54 treesize of output 50 [2022-12-14 21:43:02,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:43:03,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:03,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:03,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:03,147 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:43:03,147 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-12-14 21:43:03,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:03,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:43:03,893 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:43:04,138 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 21:43:04,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-12-14 21:43:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:43:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-12-14 21:43:04,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 130 treesize of output 61 [2022-12-14 21:43:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:04,578 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:04,578 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 44 [2022-12-14 21:43:05,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:05,209 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-12-14 21:43:05,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 46 [2022-12-14 21:43:05,418 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:43:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:05,425 INFO L321 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2022-12-14 21:43:05,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 47 treesize of output 44 [2022-12-14 21:43:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:05,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:43:05,657 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 21:43:05,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 54 [2022-12-14 21:43:06,907 INFO L321 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2022-12-14 21:43:06,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 80 treesize of output 40 [2022-12-14 21:43:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:43:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2022-12-14 21:43:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2022-12-14 21:43:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:43:24,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:24,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 21:43:24,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:43:33,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:33,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 95 states and 132 transitions. [2022-12-14 21:43:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2022-12-14 21:43:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:43:33,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:33,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:33,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 21:43:33,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 21:43:37,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:37,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 96 states and 132 transitions. [2022-12-14 21:43:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 132 transitions. [2022-12-14 21:43:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:43:37,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:37,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:42,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 66 conjunts are in the unsatisfiable core [2022-12-14 21:43:42,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:42,971 INFO L350 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 [2022-12-14 21:43:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:42,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:43:42,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:42,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:42,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 77 treesize of output 22 [2022-12-14 21:43:43,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:43,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 79 treesize of output 19 [2022-12-14 21:43:43,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:43,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,058 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:43,068 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:43:43,068 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2022-12-14 21:43:43,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:43,288 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:43:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:43:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 97 states and 133 transitions. [2022-12-14 21:43:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2022-12-14 21:43:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:43:44,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:47,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 76 conjunts are in the unsatisfiable core [2022-12-14 21:43:47,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:47,821 INFO L350 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 44 treesize of output 42 [2022-12-14 21:43:48,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:43:48,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:48,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:48,096 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:43:48,097 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2022-12-14 21:43:48,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 79 treesize of output 19 [2022-12-14 21:43:48,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:43:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:43:48,161 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:43:48,162 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2022-12-14 21:43:48,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:43:48,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:43:48,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,529 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:48,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 32 [2022-12-14 21:43:48,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,662 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:48,662 INFO L350 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 47 treesize of output 44 [2022-12-14 21:43:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:48,823 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:48,823 INFO L350 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 43 treesize of output 44 [2022-12-14 21:43:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:43:49,076 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:43:49,076 INFO L350 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 37 treesize of output 42 [2022-12-14 21:43:49,206 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 21:43:49,206 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 34 [2022-12-14 21:43:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:44:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 98 states and 133 transitions. [2022-12-14 21:44:00,090 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2022-12-14 21:44:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:44:00,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:00,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:01,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-14 21:44:01,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:01,663 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:44:01,663 INFO L350 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 [2022-12-14 21:44:01,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:44:02,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 58 [2022-12-14 21:44:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:02,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:02,307 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 57 treesize of output 116 [2022-12-14 21:44:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:02,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:02,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 79 treesize of output 19 [2022-12-14 21:44:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:02,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:44:03,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:03,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-12-14 21:44:03,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-12-14 21:44:04,283 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 21:44:04,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 135 [2022-12-14 21:44:04,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:44:04,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 210 [2022-12-14 21:44:04,338 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 21:44:04,339 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2022-12-14 21:44:04,848 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 21:44:04,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 189 treesize of output 175 [2022-12-14 21:44:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 173 [2022-12-14 21:44:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:04,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 65 [2022-12-14 21:44:05,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:05,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:05,299 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:44:05,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 44 [2022-12-14 21:44:06,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:06,398 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-14 21:44:06,398 INFO L350 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 2 case distinctions, treesize of input 41 treesize of output 42 [2022-12-14 21:44:06,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:44:06,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:06,930 INFO L321 Elim1Store]: treesize reduction 45, result has 16.7 percent of original size [2022-12-14 21:44:06,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 62 treesize of output 56 [2022-12-14 21:44:07,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:44:07,325 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 21:44:07,325 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 64 [2022-12-14 21:44:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,770 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 21:44:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:44:07,775 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-12-14 21:44:07,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 66 treesize of output 76 [2022-12-14 21:44:10,023 INFO L321 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2022-12-14 21:44:10,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 49 [2022-12-14 21:44:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:44:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 98 states and 132 transitions. [2022-12-14 21:44:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2022-12-14 21:44:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:44:32,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:32,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 21:44:32,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 21:44:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:44,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 108 states and 147 transitions. [2022-12-14 21:44:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions. [2022-12-14 21:44:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:44:44,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:44,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:44,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:44:44,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 21:45:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 123 states and 167 transitions. [2022-12-14 21:45:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2022-12-14 21:45:01,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:45:01,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:45:01,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:45:01,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:45:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 21:45:07,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:07,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 124 states and 167 transitions. [2022-12-14 21:45:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 167 transitions. [2022-12-14 21:45:07,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:45:07,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:07,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 21:45:17,775 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:487) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 21:45:17,778 INFO L158 Benchmark]: Toolchain (without parser) took 180693.34ms. Allocated memory was 107.0MB in the beginning and 488.6MB in the end (delta: 381.7MB). Free memory was 73.8MB in the beginning and 224.3MB in the end (delta: -150.5MB). Peak memory consumption was 234.0MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,778 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:45:17,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.12ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 62.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.46ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,778 INFO L158 Benchmark]: Boogie Preprocessor took 16.99ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 59.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,778 INFO L158 Benchmark]: RCFGBuilder took 311.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 59.5MB in the beginning and 102.7MB in the end (delta: -43.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,779 INFO L158 Benchmark]: CodeCheck took 180174.66ms. Allocated memory was 132.1MB in the beginning and 488.6MB in the end (delta: 356.5MB). Free memory was 102.7MB in the beginning and 224.3MB in the end (delta: -121.6MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. [2022-12-14 21:45:17,780 INFO L339 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:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.12ms. Allocated memory is still 107.0MB. Free memory was 73.8MB in the beginning and 62.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.46ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 61.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.99ms. Allocated memory is still 107.0MB. Free memory was 61.0MB in the beginning and 59.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 59.5MB in the beginning and 102.7MB in the end (delta: -43.2MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * CodeCheck took 180174.66ms. Allocated memory was 132.1MB in the beginning and 488.6MB in the end (delta: 356.5MB). Free memory was 102.7MB in the beginning and 224.3MB in the end (delta: -121.6MB). Peak memory consumption was 235.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:45:17,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifcomp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:45:19,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:45:19,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:45:19,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:45:19,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:45:19,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:45:19,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:45:19,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:45:19,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:45:19,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:45:19,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:45:19,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:45:19,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:45:19,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:45:19,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:45:19,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:45:19,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:45:19,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:45:19,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:45:19,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:45:19,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:45:19,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:45:19,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:45:19,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:45:19,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:45:19,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:45:19,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:45:19,420 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:45:19,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:45:19,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:45:19,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:45:19,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:45:19,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:45:19,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:45:19,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:45:19,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:45:19,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:45:19,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:45:19,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:45:19,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:45:19,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:45:19,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 21:45:19,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:45:19,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:45:19,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:45:19,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:45:19,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:45:19,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:45:19,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:45:19,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:45:19,448 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:45:19,448 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:45:19,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:45:19,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:45:19,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:45:19,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:45:19,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:45:19,448 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:45:19,449 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:45:19,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:45:19,449 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:45:19,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:45:19,449 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a65255d8b2e6b68882339bb2639d8ae744f5b340e0d3d33c067476b0c9dc7 [2022-12-14 21:45:19,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:45:19,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:45:19,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:45:19,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:45:19,701 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:45:19,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-14 21:45:22,289 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:45:22,456 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:45:22,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c [2022-12-14 21:45:22,463 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/f248c765c/aba6f5a9f6944a42bafcc2bf1a6fe7db/FLAGcef5da2d5 [2022-12-14 21:45:22,474 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/data/f248c765c/aba6f5a9f6944a42bafcc2bf1a6fe7db [2022-12-14 21:45:22,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:45:22,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:45:22,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:45:22,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:45:22,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:45:22,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a06a0f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22, skipping insertion in model container [2022-12-14 21:45:22,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:45:22,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:45:22,603 WARN L237 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-14 21:45:22,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:45:22,632 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:45:22,642 WARN L237 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_f2a79ff4-6995-42bb-bf97-13e917fd98b4/sv-benchmarks/c/array-fpi/ifcomp.c[589,602] [2022-12-14 21:45:22,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:45:22,666 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:45:22,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22 WrapperNode [2022-12-14 21:45:22,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:45:22,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:45:22,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:45:22,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:45:22,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,702 INFO L138 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-12-14 21:45:22,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:45:22,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:45:22,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:45:22,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:45:22,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,728 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:45:22,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:45:22,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:45:22,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:45:22,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:45:22" (1/1) ... [2022-12-14 21:45:22,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:45:22,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:45:22,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:45:22,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:45:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:45:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 21:45:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 21:45:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 21:45:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:45:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:45:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 21:45:22,866 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:45:22,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:45:23,174 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:45:23,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:45:23,227 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 21:45:23,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:45:23 BoogieIcfgContainer [2022-12-14 21:45:23,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:45:23,229 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:45:23,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:45:23,236 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:45:23,237 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:45:23" (1/1) ... [2022-12-14 21:45:23,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:45:23,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:45:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-12-14 21:45:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-12-14 21:45:23,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:45:23,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:45:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:45:23,312 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 21:45:23,314 INFO L158 Benchmark]: Toolchain (without parser) took 836.85ms. Allocated memory is still 77.6MB. Free memory was 56.4MB in the beginning and 33.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-12-14 21:45:23,315 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:45:23,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.50ms. Allocated memory is still 77.6MB. Free memory was 56.4MB in the beginning and 44.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:45:23,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.04ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:45:23,316 INFO L158 Benchmark]: Boogie Preprocessor took 28.46ms. Allocated memory is still 77.6MB. Free memory was 42.8MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:45:23,316 INFO L158 Benchmark]: RCFGBuilder took 496.02ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 39.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-14 21:45:23,317 INFO L158 Benchmark]: CodeCheck took 84.19ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 33.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 21:45:23,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.50ms. Allocated memory is still 77.6MB. Free memory was 56.4MB in the beginning and 44.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.04ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.46ms. Allocated memory is still 77.6MB. Free memory was 42.8MB in the beginning and 41.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.02ms. Allocated memory is still 77.6MB. Free memory was 41.2MB in the beginning and 39.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 84.19ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 33.6MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 21:45:23,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a79ff4-6995-42bb-bf97-13e917fd98b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared