./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.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_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/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_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/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_3af28981-92e9-4a62-959c-8045d3039fca/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 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 --- 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 19:29:15,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:29:15,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:29:15,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:29:15,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:29:15,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:29:15,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:29:15,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:29:15,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:29:15,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:29:15,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:29:15,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:29:15,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:29:15,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:29:15,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:29:15,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:29:15,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:29:15,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:29:15,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:29:15,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:29:15,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:29:15,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:29:15,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:29:15,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:29:15,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:29:15,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:29:15,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:29:15,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:29:15,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:29:15,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:29:15,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:29:15,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:29:15,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:29:15,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:29:15,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:29:15,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:29:15,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:29:15,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:29:15,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:29:15,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:29:15,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:29:15,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:29:15,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:29:15,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:29:15,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:29:15,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:29:15,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:29:15,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:29:15,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:29:15,712 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:29:15,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:29:15,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:29:15,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:29:15,714 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:29:15,714 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:29:15,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:29:15,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:29:15,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:29:15,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:29:15,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:29:15,715 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:29:15,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:29:15,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:29:15,715 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_3af28981-92e9-4a62-959c-8045d3039fca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070b005151a155625f2a1d89ebf21c03a6d381af2d7b663a2fe06061e79da5f4 [2022-12-14 19:29:15,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:29:15,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:29:15,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:29:15,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:29:15,902 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:29:15,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2022-12-14 19:29:18,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:29:18,680 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:29:18,680 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c [2022-12-14 19:29:18,685 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/data/1f05afbfb/1bb1d5fe528d4555bc9389db9c238572/FLAG7e1f4dcad [2022-12-14 19:29:18,695 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/data/1f05afbfb/1bb1d5fe528d4555bc9389db9c238572 [2022-12-14 19:29:18,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:29:18,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:29:18,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:29:18,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:29:18,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:29:18,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a104f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18, skipping insertion in model container [2022-12-14 19:29:18,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:29:18,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:29:18,821 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_3af28981-92e9-4a62-959c-8045d3039fca/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2022-12-14 19:29:18,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:29:18,838 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:29:18,849 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_3af28981-92e9-4a62-959c-8045d3039fca/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound20.c[520,533] [2022-12-14 19:29:18,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:29:18,862 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:29:18,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18 WrapperNode [2022-12-14 19:29:18,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:29:18,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:29:18,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:29:18,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:29:18,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,885 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2022-12-14 19:29:18,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:29:18,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:29:18,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:29:18,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:29:18,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:29:18,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:29:18,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:29:18,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:29:18,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:29:18" (1/1) ... [2022-12-14 19:29:18,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:29:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:29:18,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:29:18,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:29:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:29:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:29:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:29:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:29:18,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:29:18,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:29:19,008 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:29:19,010 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:29:19,089 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:29:19,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:29:19,113 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:29:19,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:29:19 BoogieIcfgContainer [2022-12-14 19:29:19,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:29:19,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:29:19,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:29:19,122 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:29:19,122 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:29:19" (1/1) ... [2022-12-14 19:29:19,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:29:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 19:29:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 19:29:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 19:29:19,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:19,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:19,372 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 19:29:19,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:19,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2022-12-14 19:29:19,467 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2022-12-14 19:29:19,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 19:29:19,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:19,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:19,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:29:19,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:29:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2022-12-14 19:29:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2022-12-14 19:29:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:29:19,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:19,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:19,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:29:19,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:19,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:29:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2022-12-14 19:29:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-12-14 19:29:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:29:20,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:20,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:20,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:20,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 19:29:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2022-12-14 19:29:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2022-12-14 19:29:20,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 19:29:20,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:20,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-14 19:29:20,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 19:29:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:20,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2022-12-14 19:29:20,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-12-14 19:29:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:29:20,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:20,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:20,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:29:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:20,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2022-12-14 19:29:20,654 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 19:29:20,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 19:29:20,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:20,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:20,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 19:29:20,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:29:20,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2022-12-14 19:29:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-12-14 19:29:20,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:29:20,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:20,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:20,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 19:29:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2022-12-14 19:29:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-12-14 19:29:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 19:29:21,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:21,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:21,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:29:21,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:21,499 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 19:29:21,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2022-12-14 19:29:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-12-14 19:29:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 19:29:21,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:21,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:21,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:21,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 19:29:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:21,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2022-12-14 19:29:21,835 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2022-12-14 19:29:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:29:21,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:21,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:21,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 19:29:21,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 19:29:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2022-12-14 19:29:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-12-14 19:29:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:29:22,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:22,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:22,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 19:29:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2022-12-14 19:29:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2022-12-14 19:29:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 19:29:22,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:22,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:22,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:29:22,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-14 19:29:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2022-12-14 19:29:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-14 19:29:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 19:29:22,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:22,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 19:29:22,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 19:29:22,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:22,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2022-12-14 19:29:22,978 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-12-14 19:29:22,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 19:29:22,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:22,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:23,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:23,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2022-12-14 19:29:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2022-12-14 19:29:23,109 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2022-12-14 19:29:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 19:29:23,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:23,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:23,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 19:29:23,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-14 19:29:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 79 transitions. [2022-12-14 19:29:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-14 19:29:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 19:29:23,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:23,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:23,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-12-14 19:29:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 78 transitions. [2022-12-14 19:29:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2022-12-14 19:29:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 19:29:23,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:23,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 19:29:23,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 19 proven. 52 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 19:29:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 80 transitions. [2022-12-14 19:29:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-12-14 19:29:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 19:29:24,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:24,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:24,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:29:24,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:24,213 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 21 proven. 58 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 19:29:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 84 transitions. [2022-12-14 19:29:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2022-12-14 19:29:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 19:29:24,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:24,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:24,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:24,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:24,495 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 59 proven. 7 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-12-14 19:29:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 85 transitions. [2022-12-14 19:29:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2022-12-14 19:29:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 19:29:24,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:24,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:24,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 19:29:24,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 24 proven. 38 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-14 19:29:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 91 transitions. [2022-12-14 19:29:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-12-14 19:29:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-12-14 19:29:25,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:25,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:25,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:25,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:25,071 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 61 proven. 7 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2022-12-14 19:29:25,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:25,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 90 transitions. [2022-12-14 19:29:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2022-12-14 19:29:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-12-14 19:29:25,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:25,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 19:29:25,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:25,380 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 25 proven. 79 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-14 19:29:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:25,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 92 transitions. [2022-12-14 19:29:25,700 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-12-14 19:29:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 19:29:25,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:25,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 19:29:25,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 27 proven. 86 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 19:29:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:26,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 96 transitions. [2022-12-14 19:29:26,266 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2022-12-14 19:29:26,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 19:29:26,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:26,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:26,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:26,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-12-14 19:29:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 97 transitions. [2022-12-14 19:29:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2022-12-14 19:29:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 19:29:26,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:26,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 19:29:26,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-12-14 19:29:26,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:26,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 103 transitions. [2022-12-14 19:29:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2022-12-14 19:29:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 19:29:26,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:26,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:26,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:29:26,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-12-14 19:29:27,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 102 transitions. [2022-12-14 19:29:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2022-12-14 19:29:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 19:29:27,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:29:27,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:29:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:29:27,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 19:29:27,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:29:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 135 proven. 20 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-12-14 19:29:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:29:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 35 states and 55 transitions. [2022-12-14 19:29:28,714 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2022-12-14 19:29:28,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:29:28,715 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2022-12-14 19:29:28,721 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 19:29:29,246 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2022-12-14 19:29:29,254 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:29:29,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:29:29 ImpRootNode [2022-12-14 19:29:29,254 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:29:29,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:29:29,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:29:29,255 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:29:29,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:29:19" (3/4) ... [2022-12-14 19:29:29,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:29:29,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 19:29:29,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 19:29:29,262 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-14 19:29:29,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 19:29:29,263 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:29:29,285 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:29:29,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:29:29,286 INFO L158 Benchmark]: Toolchain (without parser) took 10587.85ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 102.8MB in the beginning and 52.4MB in the end (delta: 50.4MB). Peak memory consumption was 78.5MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,286 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:29:29,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.13ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 92.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.92ms. Allocated memory is still 136.3MB. Free memory was 92.3MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:29:29,287 INFO L158 Benchmark]: Boogie Preprocessor took 13.35ms. Allocated memory is still 136.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,287 INFO L158 Benchmark]: RCFGBuilder took 214.98ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 77.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,287 INFO L158 Benchmark]: CodeCheck took 10138.93ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 77.6MB in the beginning and 55.4MB in the end (delta: 22.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,288 INFO L158 Benchmark]: Witness Printer took 30.91ms. Allocated memory is still 163.6MB. Free memory was 55.4MB in the beginning and 52.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:29:29,289 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2384 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 615 mSDsluCounter, 1174 SdHoareTripleChecker+Invalid, 10.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 820 mSDsCounter, 3583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8026 IncrementalHoareTripleChecker+Invalid, 11609 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3583 mSolverCounterUnsat, 354 mSDtfsCounter, 8026 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10238 GetRequests, 9791 SyntacticMatches, 281 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15029 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1479 NumberOfCodeBlocks, 1479 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 1451 ConstructedInterpolants, 0 QuantifiedInterpolants, 4408 SizeOfPredicates, 60 NumberOfNonLiveVariables, 3911 ConjunctsInSsa, 517 ConjunctsInUnsatCore, 28 InterpolantComputations, 1 PerfectInterpolantSequences, 5175/5777 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((!(5 == t && 2 == a) && !(t == 1 + 2 * a && 2 == 2 * a)) && !(9 == t && a == 4)) && !(7 == t && 3 == a)) || (16 == s && 3 == a)) || (a == 1 && s == 4)) || (9 == s && 2 == a)) || (s == 25 && a == 4) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.13ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 92.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.92ms. Allocated memory is still 136.3MB. Free memory was 92.3MB in the beginning and 91.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.35ms. Allocated memory is still 136.3MB. Free memory was 91.1MB in the beginning and 89.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 214.98ms. Allocated memory is still 136.3MB. Free memory was 89.7MB in the beginning and 77.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 10138.93ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 77.6MB in the beginning and 55.4MB in the end (delta: 22.2MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Witness Printer took 30.91ms. Allocated memory is still 163.6MB. Free memory was 55.4MB in the beginning and 52.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:29:29,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af28981-92e9-4a62-959c-8045d3039fca/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: TRUE